Python 2.7 : Unable to import matplotlib. pyplot

Question

当我尝试

import matplotlib.pyplot as plt

我收到以下错误:

runfile('/Users/Zhengnan/Documents/Python/PS 2/230I_PS_2.py', wdir='/Users/Zhengnan/Documents/Python/PS 2')
Traceback (most recent call last):

File "<ipython-input-2-9001323bba15>", line 1, in <module>
runfile('/Users/Zhengnan/Documents/Python/PS 2/230I_PS_2.py', wdir='/Users/Zhengnan/Documents/Python/PS 2')

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/spyderlib/widgets/externalshell/sitecustomize.py", line 685, in runfile
execfile(filename, namespace)

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/spyderlib/widgets/externalshell/sitecustomize.py", line 78, in execfile
builtins.execfile(filename, *where)

File "/Users/Zhengnan/Documents/Python/PS 2/230I_PS_2.py", line 4, in <module>
import matplotlib.pyplot as plt

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/pyplot.py", line 27, in <module>
import matplotlib.colorbar

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/colorbar.py", line 34, in <module>
import matplotlib.collections as collections

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/collections.py", line 27, in <module>
import matplotlib.backend_bases as backend_bases

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/backend_bases.py", line 56, in <module>
import matplotlib.textpath as textpath

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/textpath.py", line 22, in <module>
from matplotlib.mathtext import MathTextParser

File "/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/mathtext.py", line 63, in <module>
import matplotlib._png as _png

ImportError: dlopen(/Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/_png.so, 2): Library not loaded: @loader_path/../../../libpng15.15.dylib
Referenced from: /Users/Zhengnan/anaconda/lib/python2.7/site-packages/matplotlib/_png.so
Reason: image not found

有人可以帮我吗？我是新手，对路径不太熟悉。如果有分步指导，我们将不胜感激。提前致谢。

顺便说一句，我使用spyder作为IDE。

Answer 1

如此处所示: https://askubuntu.com/questions/636937/python-2-7-matplotlib-provides-errorpyplot

此命令将修复它:conda 安装 matplotlib

它确实帮助了我。