优胜美地和python matplotlib问题

Question

在我升级到优胜美地之前，Python代码运行良好。 有什么想法吗？ 这是错误：

Traceback (most recent call last):
  File "/Users/will/Downloads/legend_demo4.py", line 1, in <module>
    import matplotlib.pyplot as plt
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/pyplot.py", line 26, in <module>
    from matplotlib.figure import Figure, figaspect
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/figure.py", line 32, in <module>
    from matplotlib.image import FigureImage
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/image.py", line 22, in <module>
    import matplotlib._png as _png
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/_png.so, 2): Library not loaded: /usr/X11/lib/libpng12.0.dylib
  Referenced from: /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/_png.so
  Reason: image not found

Answer 1

我有同样的问题。 我固定，通过非（通过：easy_install的-m matplotlib）和重新安装（经由：蟒setup.py构建;蟒的setup.py安装）从所述matplotlib 源和事后安装车轮包（通过：PIP安装packagename.whl ）。