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C:\ProgramData\anaconda3\envs\scripts\python.exe C:\Users\x528785\PycharmProjects\mars\Shocks\comprobaciones.py 
Traceback (most recent call last):
  File "C:\Users\x528785\PycharmProjects\mars\Shocks\comprobaciones.py", line 4, in <module>
    market_df = pd.read_csv("market.csv", sep=',')
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\ProgramData\anaconda3\envs\scripts\Lib\site-packages\pandas\io\parsers\readers.py", line 1026, in read_csv
    return _read(filepath_or_buffer, kwds)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\ProgramData\anaconda3\envs\scripts\Lib\site-packages\pandas\io\parsers\readers.py", line 626, in _read
    return parser.read(nrows)
           ^^^^^^^^^^^^^^^^^^
  File "C:\ProgramData\anaconda3\envs\scripts\Lib\site-packages\pandas\io\parsers\readers.py", line 1923, in read
    ) = self._engine.read(  # type: ignore[attr-defined]
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\ProgramData\anaconda3\envs\scripts\Lib\site-packages\pandas\io\parsers\c_parser_wrapper.py", line 234, in read
    chunks = self._reader.read_low_memory(nrows)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "parsers.pyx", line 838, in pandas._libs.parsers.TextReader.read_low_memory
  File "parsers.pyx", line 905, in pandas._libs.parsers.TextReader._read_rows
  File "parsers.pyx", line 874, in pandas._libs.parsers.TextReader._tokenize_rows
  File "parsers.pyx", line 891, in pandas._libs.parsers.TextReader._check_tokenize_status
  File "parsers.pyx", line 2061, in pandas._libs.parsers.raise_parser_error
pandas.errors.ParserError: Error tokenizing data. C error: Expected 1 fields in line 13, saw 2