4.1. Reading and Writing Data

Dask DataFrame supports nearly all data reading and writing operations available in pandas. This includes reading and writing text files, Parquet, HDF, JSON, and other formats from local, NFS, HDFS, or S3 storage. Table 4.1 illustrates some common reading and writing operations.

Table 4.1 some reading and writing operations in Dask DataFrame

	CSV	Parquet	HDF
Read	read_csv()	read_parquet()	read_hdf()
Write	to_csv()	to_parquet()	to_hdf()

File Systems

Tip

When reading and writing data with Dask clusters, it is recommended to store the data in a shared file system such as NFS, HDFS, or S3, ensuring that all Dask workers can access the data.

File system prefixes (i.e., Schemes) are commonly used in the industry to identify different file systems for reading and writing files. Table 4.2 provides examples of several schemes. A dataset address should be a Uniform Resource Identifier (URI) consisting of a scheme and a specific address. The URI template is scheme://path/to/data. For example, file:///tmp/tripdata.parquet or s3://tmp/tripdata.parquet.

Table 4.2 URI Scheme

	Local	S3	HDFS
Scheme	file://	s3://	hdfs://

If no scheme is specified in the dataset address, it is assumed to be a locally accessible file system, i.e., a file system that the computing node can directly access. For example, a Network File System (NFS) is a distributed file system mounted to the /mnt/nfs directory on multiple computing nodes. When using Dask to read and write to this directory, you can directly use /mnt/nfs.

Later sections of this book, such as Ray Data, follow the same URI and scheme standards.

Shared file systems like HDFS and S3 are often shared by multiple users in an enterprise or organization. Therefore, there is usually user authentication to ensure data isolation between users and prevent them from modifying or deleting each other’s data. Different file systems have their own methods of user authentication. For instance, S3 users need to provide tokens, and these tokens can be passed into the storage_options parameter of methods like read_*() and to_*() (including read_csv(), read_parquet(), to_parquet(), etc.). If you are unfamiliar with user authentication, consult with colleagues responsible for operations and management in your organization.

Data Partitioning and Parallel Reading

Case Study: Aircraft Takeoff and Landing Data

The aircraft takeoff and landing dataset consists of multiple Comma-Separated Values (CSV) files, with each file corresponding to a specific year. We will read multiple CSV files to demonstrate the differences between Dask DataFrame and pandas.

import os
import glob

import sys
sys.path.append("..")
from datasets import nyc_flights

import warnings
warnings.simplefilter(action='ignore', category=FutureWarning)

folder_path = nyc_flights()

file_path = os.path.join(folder_path, "nyc-flights", "*.csv")

import dask
dask.config.set({'dataframe.query-planning': False})
import dask.dataframe as dd
import pandas as pd
from dask.distributed import LocalCluster, Client

cluster = LocalCluster()
client = Client(cluster)

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/distributed/node.py:182: UserWarning: Port 8787 is already in use.
Perhaps you already have a cluster running?
Hosting the HTTP server on port 51210 instead
  warnings.warn(

Both pandas and Dask DataFrame provide the read_csv() method for reading CSV files. Dask’s read_csv() method has parameters almost identical to pandas, which you can refer to in the pandas’ read_csv() documentation. In this example, the original data has many columns, and the first three columns are Year, Month, and DayofMonth. The parse_dates parameter of the read_csv() method is used to parse these three columns into the datetime64 type and generate a new column Date.

ddf = dd.read_csv(file_path, parse_dates={'Date': [0, 1, 2]})

Here, the file_path is in the form of *.csv, matching all files ending with csv. In contrast, pandas’ read_csv() can only read a single file and does not support wildcards like *.csv. If you want to read all files ending with csv in a folder using pandas, you should:

file_list = glob.glob(file_path)
data = []

for p in file_list:
    df = pd.read_csv(p, parse_dates={'Date': [0, 1, 2]})
    data.append(df)

pdf = pd.concat(data)

Check the first three rows of this dataset:

ddf.head(3)

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)

	Date	DayOfWeek	DepTime	CRSDepTime	ArrTime	CRSArrTime	UniqueCarrier	FlightNum	TailNum	ActualElapsedTime	...	AirTime	ArrDelay	DepDelay	Origin	Dest	Distance	TaxiIn	TaxiOut	Cancelled	Diverted
0	1991-01-08	2	1215.0	1215	1340.0	1336	US	121	NaN	85.0	...	NaN	4.0	0.0	EWR	PIT	319.0	NaN	NaN	0	0
1	1991-01-09	3	1215.0	1215	1353.0	1336	US	121	NaN	98.0	...	NaN	17.0	0.0	EWR	PIT	319.0	NaN	NaN	0	0
2	1991-01-10	4	1216.0	1215	1332.0	1336	US	121	NaN	76.0	...	NaN	-4.0	1.0	EWR	PIT	319.0	NaN	NaN	0	0

3 rows × 21 columns

pdf.head(3)

	Date	DayOfWeek	DepTime	CRSDepTime	ArrTime	CRSArrTime	UniqueCarrier	FlightNum	TailNum	ActualElapsedTime	...	AirTime	ArrDelay	DepDelay	Origin	Dest	Distance	TaxiIn	TaxiOut	Cancelled	Diverted
0	1991-01-08	2	1215.0	1215	1340.0	1336	US	121	NaN	85.0	...	NaN	4.0	0.0	EWR	PIT	319.0	NaN	NaN	0	0
1	1991-01-09	3	1215.0	1215	1353.0	1336	US	121	NaN	98.0	...	NaN	17.0	0.0	EWR	PIT	319.0	NaN	NaN	0	0
2	1991-01-10	4	1216.0	1215	1332.0	1336	US	121	NaN	76.0	...	NaN	-4.0	1.0	EWR	PIT	319.0	NaN	NaN	0	0

3 rows × 21 columns

This highlights the difference between Dask DataFrame and pandas. Dask DataFrame accepts wildcards like *.csv and can read all files ending with csv in a folder in batches. Dask DataFrame first traverses the *.csv directory to understand how many CSV files are present. Then, when constructing the Task Graph, it parallelly initiates multiple pandas processes based on the number of files.

ddf.visualize() visualizes the Task Graph, and you can see that for a directory with m CSV files, the Task Graph generates m read_csv() subgraphs. These subgraphs are executed by launching m pandas read_csv() processes in parallel. In other words, each CSV file corresponds to one Partition. Building the Task Graph based on the number of files is the most straightforward way.

ddf.visualize(filename="../img/ch-dask-dataframe/nyc-flights-graph", format="svg")

In this example, Dask determines the number of partitions based on the number of files. As mentioned in Section 3.5, splitting data too finely or too coarsely is not ideal for all scenarios. Getting the number of partitions based on the number of files may not be optimal for every situation. If there are many small files, the granularity may be too fine. On the other hand, if it’s a single large file, the granularity may be too coarse, potentially leading to out-of-memory (OOM) issues. In these extreme cases, the Task Graph may not be optimal. Dask DataFrame’s read_csv() provides a parameter, blocksize, allowing users to customize the size of each partition. The size of an individual partition will not exceed the specified blocksize. If users do not explicitly set blocksize, Dask DataFrame will determine the blocksize based on the detected computational resources, with a maximum of 64MB.

Schema Inference

Dask DataFrame infers datatypes and stores these details as schema. The read_csv() function in Dask DataFrame introduces a sample parameter, indicating the system to read only the initial sample bytes of data. The data types are inferred based on this limited dataset. However, this approach poses certain challenges:

Getting the last 3 rows of the ddf:

import traceback
try:
    ddf.tail(3)
except Exception:
    traceback.print_exc()

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
2024-04-23 16:01:48,865 - distributed.worker - WARNING - Compute Failed
Key:       ('to_pyarrow_string-53cc32dd66bb978a5e0291a7a663d540', 5)
Function:  execute_task
args:      ((subgraph_callable-e53dc672953e388ee6137d44347135c2, [(<function read_block_from_file at 0x1218207c0>, <OpenFile '/Users/luweizheng/Projects/godaai/distributed-python-en/ch-dask-dataframe/../data/nyc-flights/1996.csv'>, 0, 24979433, b'\n'), None, True, True]))
kwargs:    {}
Exception: 'ValueError(\'Mismatched dtypes found in `pd.read_csv`/`pd.read_table`.\\n\\n+----------------+---------+----------+\\n| Column         | Found   | Expected |\\n+----------------+---------+----------+\\n| CRSElapsedTime | float64 | int64    |\\n| TailNum        | object  | float64  |\\n+----------------+---------+----------+\\n\\nThe following columns also raised exceptions on conversion:\\n\\n- TailNum\\n  ValueError("could not convert string to float: \\\'N14346\\\'")\\n\\nUsually this is due to dask\\\'s dtype inference failing, and\\n*may* be fixed by specifying dtypes manually by adding:\\n\\ndtype={\\\'CRSElapsedTime\\\': \\\'float64\\\',\\n       \\\'TailNum\\\': \\\'object\\\'}\\n\\nto the call to `read_csv`/`read_table`.\')'

Traceback (most recent call last):
  File "/var/folders/4n/v40br47s46ggrjm9bdm64lwh0000gn/T/ipykernel_63763/3690877535.py", line 3, in <module>
    ddf.tail(3)
  File "/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/core.py", line 1640, in tail
    result = result.compute()
             ^^^^^^^^^^^^^^^^
  File "/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/base.py", line 375, in compute
    (result,) = compute(self, traverse=False, **kwargs)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/base.py", line 661, in compute
    results = schedule(dsk, keys, **kwargs)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py", line 142, in __call__
    df = pandas_read_text(
    ^^^^^^^^^^^^^^^^^
  File "/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py", line 197, in pandas_read_text
    coerce_dtypes(df, dtypes)
    ^^^^^^^^^^^^^^^^^
  File "/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py", line 298, in coerce_dtypes
    raise ValueError(msg)
    ^^^^^^^^^^^^^^^^^
ValueError: Mismatched dtypes found in `pd.read_csv`/`pd.read_table`.

+----------------+---------+----------+
| Column         | Found   | Expected |
+----------------+---------+----------+
| CRSElapsedTime | float64 | int64    |
| TailNum        | object  | float64  |
+----------------+---------+----------+

The following columns also raised exceptions on conversion:

- TailNum
  ValueError("could not convert string to float: 'N14346'")

Usually this is due to dask's dtype inference failing, and
*may* be fixed by specifying dtypes manually by adding:

dtype={'CRSElapsedTime': 'float64',
       'TailNum': 'object'}

to the call to `read_csv`/`read_table`.

ddf.tail(3) throws an exception. Why did it raise an exception? Because Dask DataFrame did not read all the data but only the first sample-sized portion. In this sample-size data, the CRSElapsedTime column is empty. Dask DataFrame guessed this field to be of type float64, but in later rows, CRSElapsedTime is int64. In other words, the inferred data type by Dask DataFrame does not match the actual data type encountered.

To address this issue, it’s recommended to explicitly specify the data types at the beginning when reading the data:

ddf = dd.read_csv(file_path,
                 parse_dates={'Date': [0, 1, 2]},
                 dtype={'TailNum': object,
                        'CRSElapsedTime': float,
                        'Cancelled': bool})
ddf.tail(3)

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)

	Date	DayOfWeek	DepTime	CRSDepTime	ArrTime	CRSArrTime	UniqueCarrier	FlightNum	TailNum	ActualElapsedTime	...	AirTime	ArrDelay	DepDelay	Origin	Dest	Distance	TaxiIn	TaxiOut	Cancelled	Diverted
259511	1996-12-29	7	2008.0	1640	2236.0	1852	UA	1659	N424UA	268.0	...	225.0	224.0	208.0	LGA	DEN	1619.0	8.0	35.0	False	0
259512	1996-12-30	1	1644.0	1640	1855.0	1852	UA	1659	N401UA	251.0	...	235.0	3.0	4.0	LGA	DEN	1619.0	5.0	11.0	False	0
259513	1996-12-31	2	1659.0	1640	1902.0	1852	UA	1659	N414UA	243.0	...	216.0	10.0	19.0	LGA	DEN	1619.0	5.0	22.0	False	0

3 rows × 21 columns

Dask DataFrame stores the schema of each field in _meta, including the field names and dtypes.

ddf._meta

	Date	DayOfWeek	DepTime	CRSDepTime	ArrTime	CRSArrTime	UniqueCarrier	FlightNum	TailNum	ActualElapsedTime	...	AirTime	ArrDelay	DepDelay	Origin	Dest	Distance	TaxiIn	TaxiOut	Cancelled	Diverted

0 rows × 21 columns

Now let’s add the blocksize parameter with values of 50,000 and 5,000,000. We can compare the speed under different partitions and observe various information provided on the Dask Dashboard. When blocksize is set to 50,000, the Task Graph has a finer granularity, resulting in a larger and more complex Task Graph, making the overall processing time longer.

%%time
ddf = dd.read_csv(file_path, 
                parse_dates={"Date": [0, 1, 2]},
                dtype={"TailNum": str, "CRSElapsedTime": float, "Cancelled": bool},
                blocksize=50_000)

origin_cnt = ddf[~ddf.Cancelled].groupby("Origin").Origin.count().compute()
print(origin_cnt)

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)

Origin
EWR    669254
JFK    255485
LGA    591305
Name: Origin, dtype: int64
CPU times: user 2.08 s, sys: 421 ms, total: 2.5 s
Wall time: 7.15 s

%%time
ddf = dd.read_csv(file_path, 
                parse_dates={"Date": [0, 1, 2]},
                dtype={"TailNum": str, "CRSElapsedTime": float, "Cancelled": bool},
                blocksize=5_000_000)

origin_cnt = ddf[~ddf.Cancelled].groupby("Origin").Origin.count().compute()
print(origin_cnt)

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)
/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)

Origin
EWR    669254
JFK    255485
LGA    591305
Name: Origin, dtype: int64
CPU times: user 76.3 ms, sys: 17.1 ms, total: 93.5 ms
Wall time: 1.17 s

/Users/luweizheng/miniconda3/envs/dispy/lib/python3.11/site-packages/dask/dataframe/io/csv.py:195: FutureWarning: Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated. Combine the desired columns with pd.to_datetime after parsing instead.
  df = reader(bio, **kwargs)

Parquet

In the realm of big data engineering, Apache Parquet is a widely adopted file format. Compared to pure text file types like CSV, Parquet offers the following advantages:

• Columnar storage

• Embedded schema

• Data compression

As shown in {numref}`parquet-with-row-group, columnar storage organizes data by columns instead of rows. Data analysts are usually interested in specific columns rather than all of them. Parquet allows filtering of unnecessary columns during data reading. Selecting necessary columns is referred to as column pruning, a technique that reduces data processing overhead and is one of the optimization techniques commonly employed in data engineering. Apart from column pruning, row pruning is another technique utilized to reduce data processing overhead. Parquet has schema information, and it embeds metadata such as column names and data types for each column within each Parquet file. This feature eliminates inaccuracies in data types inferring of Dask DataFrame. Data in Parquet is compressed, making it more space-efficient compared to CSV.

Parquet is extensively used in the Apache Spark, Apache Hive, and Apache Flink ecosystems.

Fig. 4.1 A Parquet file consists of at least one Row Group. The data within a Row Group is further divided into Column Chunks, each dedicated to storing a specific column.

For instance, it is advisable to read only the necessary columns rather than all of them:

dd.read_parquet(
    "s3://path/to/folder/",
    columns=["a", "b", "c"]
)

Additionally, Parquet introduces the concept of Row Groups, as illustrated in Fig. 4.1. Data in a Parquet file is grouped into Row Groups, defining the number of rows within each group. In the example, there are three Row Groups, each containing two rows of data. Each Row Group stores metadata such as maximum and minimum values of their columns. When querying certain columns, metadata helps determine whether to read a specific Row Group, minimizing unnecessary data retrieval. For example, if a column represents a time series, and a query involves “sales from 9:00 to 12:00 every day,” the metadata within the Row Group records the maximum and minimum values of the time column. By utilizing this metadata, it becomes possible to determine whether it is necessary to read the specific Row Group.

With Row Groups, a Parquet file may contain multiple groups. However, many Parquet files have only one Row Group.

Typically, enterprise data files are split into multiple Parquet files and organized in a specific manner, such as by time:

path/to/folder/
├── year=2023/
│   ├── month=01/
│   │   └── part.0.parquet
│   └── month=02/
│       ├── part.0.parquet
│       └── part.1.parquet
└── year=2024/
    └── month=01/
        └── part.0.parquet

Filtering out unnecessary data:

dd.read_parquet("path/to/folder/", filters=[("year", ">=", 2023)])

Data can also be stored based on this directory structure:

df.to_parquet("path/to/folder/", partition_on=["year", "month"])

When Dask DataFrame reads a Parquet dataset, it considers both file numbers and Row Groups for partitioning. If there are m files, the potential partitioning options are:

• Each Parquet file corresponds to one Dask partition, resulting in m partitions.

• Each Row Group corresponds to one Dask partition. If a Parquet file has n Row Groups, there are m * n partitions.

It is crucial to ensure that the partition’s memory usage does not exceed the Worker’s physical memory. Dask DataFrame’s read_parquet() provides users with more options through the split_row_groups parameter. Setting it to split_row_groups=True enforces one partition per Row Group, while setting it to False results in one partition per complete file. The default is split_row_groups="infer", where Dask DataFrame reads the first file, gets the file size and metadata, and infers whether each complete file or each Row Group corresponds to a partition.

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client.shutdown()