前言

在使用tensorflow过程中会遇到各种各样的问题，在此记录一下，有助于自己回顾和后来人的学习

问题描述

在调用pandas遇到了这样一个问题：

Traceback (most recent call last):
  File "D:\Anaconda\envs\dl\lib\site-packages\pandas\io\excel.py", line 391, in __init__
    import xlrd
ModuleNotFoundError: No module named 'xlrd'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "kerasbert.py", line 17, in <module>
    neg=pd.read_excel('../data/neg.xls',header=None,index=None)
  File "D:\Anaconda\envs\dl\lib\site-packages\pandas\util\_decorators.py", line 188, in wrapper
    return func(*args, **kwargs)
  File "D:\Anaconda\envs\dl\lib\site-packages\pandas\util\_decorators.py", line 188, in wrapper
    return func(*args, **kwargs)
  File "D:\Anaconda\envs\dl\lib\site-packages\pandas\io\excel.py", line 350, in read_excel
    io = ExcelFile(io, engine=engine)
  File "D:\Anaconda\envs\dl\lib\site-packages\pandas\io\excel.py", line 653, in __init__
    self._reader = self._engines[engine](self._io)
  File "D:\Anaconda\envs\dl\lib\site-packages\pandas\io\excel.py", line 393, in __init__
    raise ImportError(err_msg)
ImportError: Install xlrd >= 1.0.0 for Excel support
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解决办法

通过仔细观察，发现是xlrd这个模块没有装：

pip install xlrd
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done