missing file

[NoamCodes]

when we try to run "BayesianClassification_Alabama.ipynb" the the second method has a missing file called /ML_Training_01. this results in the following error.
`---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
in <cell line: 5>()
3
4 # read data into a Pandas dataframe
----> 5 df = pd.read_csv(file)
6
7 # ignore first few columns, which are FIPs codes, not needed for ML

4 frames
/usr/local/lib/python3.10/dist-packages/pandas/io/common.py in get_handle(path_or_buf, mode, encoding, compression, memory_map, is_text, errors, storage_options)
857 if ioargs.encoding and "b" not in ioargs.mode:
858 # Encoding
--> 859 handle = open(
860 handle,
861 ioargs.mode,

FileNotFoundError: [Errno 2] No such file or directory: './ML_Training_01.csv'`