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我正在启动 python，我遇到了模块 matplotlib。我在导入matplotlib.pyplot. 实际上，我知道这是一个非常有名的问题，但是我无法以任何方式解决这个问题。

Python 2.7：无法导入 matplotlib.pyplot

对于上面的链接，这与我的错误不同。

我现在有 EOFError，让我很烦。我尝试了很多东西。比如重新安装matplotlib，conda install matplotlib不使用pip安装等。我是否必须重新安装anaconda..？

Python 3.5.2 |Anaconda custom (64-bit)| (default, Jul  5 2016, 11:41:13) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
>>> import matplotlib.pyplot as plt
Traceback (most recent call last):
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 1429, in <module>
    fontManager = pickle_load(_fmcache)
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 966, in pickle_load
    data = pickle.load(fh)
EOFError: Ran out of input

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\pyplot.py", line 29, in <module>
    import matplotlib.colorbar
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\colorbar.py", line 36, in <module>
    import matplotlib.contour as contour
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\contour.py", line 22, in <module>
    import matplotlib.font_manager as font_manager
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 1439, in <module>
    _rebuild()
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 1418, in _rebuild
    fontManager = FontManager()
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 1053, in __init__
    self.ttffiles = findSystemFonts(paths) + findSystemFonts()
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 325, in findSystemFonts
    for f in win32InstalledFonts(fontdir):
  File "C:\Users\water\Anaconda3\lib\site-packages\matplotlib\font_manager.py", line 241, in win32InstalledFonts
    direc = os.path.abspath(direc).lower()
  File "C:\Users\water\Anaconda3\lib\ntpath.py", line 535, in abspath
    path = _getfullpathname(path)
ValueError: _getfullpathname: embedded null character
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