AttributeError: module 'csv' has no attribute 'excel'

Traceback (most recent call last):
  File "D:/tyy_python/base_line/boston.py", line 2, in <module>
    import tensorflow as tf
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\tensorflow\__init__.py", line 24, in <module>
    from tensorflow.python import pywrap_tensorflow  # pylint: disable=unused-import
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\tensorflow\python\__init__.py", line 82, in <module>
    from tensorflow.python.estimator import estimator_lib as estimator
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\tensorflow\python\estimator\estimator_lib.py", line 41, in <module>
    from tensorflow.python.estimator.inputs import inputs
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\tensorflow\python\estimator\inputs\inputs.py", line 22, in <module>
    from tensorflow.python.estimator.inputs.numpy_io import numpy_input_fn
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\tensorflow\python\estimator\inputs\numpy_io.py", line 26, in <module>
    from tensorflow.python.estimator.inputs.queues import feeding_functions
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\tensorflow\python\estimator\inputs\queues\feeding_functions.py", line 40, in <module>
    import pandas as pd
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\pandas\__init__.py", line 37, in <module>
    import pandas.core.config_init
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\pandas\core\config_init.py", line 18, in <module>
    from pandas.formats.format import detect_console_encoding
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\pandas\formats\format.py", line 33, in <module>
    from pandas.io.common import _get_handle, UnicodeWriter, _expand_user
  File "C:\Users\tyy\AppData\Local\Continuum\Anaconda3\lib\site-packages\pandas\io\common.py", line 407, in <module>
    def UnicodeReader(f, dialect=csv.excel, encoding="utf-8", **kwds):
AttributeError: module 'csv' has no attribute 'excel'

可能的原因：

自己定義了一個csv.py文件