完整包错

.................
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/util/_decorators.py", line 311, in wrapper
    return func(*args, **kwargs)
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 586, in read_csv
    return _read(filepath_or_buffer, kwds)
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 482, in _read
    parser = TextFileReader(filepath_or_buffer, **kwds)
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 811, in __init__
    self._engine = self._make_engine(self.engine)
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 1040, in _make_engine
    return mapping[engine](self.f, **self.options)  # type: ignore[call-arg]
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/parsers/c_parser_wrapper.py", line 51, in __init__
    self._open_handles(src, kwds)
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/parsers/base_parser.py", line 229, in _open_handles
    errors=kwds.get("encoding_errors", "strict"),
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/common.py", line 614, in get_handle
    storage_options=storage_options,
  File "/opt/anaconda3/envs/quant_learn/lib/python3.7/site-packages/pandas/io/common.py", line 396, in _get_filepath_or_buffer
    raise ValueError(msg)
ValueError: Invalid file path or buffer object type: <class 'tuple'>

解决方法

修改下面的读取方法

df = pd.read_csv("文件.csv")

改为：

df = pd.concat(map(pd.read_csv, "文件.csv"))