The problem is most likely related to the configuration, because a proper installation on a Mac seems like a daunting task. I run Mavericks and matplotlib 1.4.x, but when I open the Python 2.7.5 shell and import pylib , I get this error:
>>> import pylab Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/pylab.py", line 1, in <module> from matplotlib.pylab import * File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/pylab.py", line 230, in <module> import matplotlib.finance File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/finance.py", line 38, in <module> from matplotlib.collections import LineCollection, PolyCollection File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/collections.py", line 27, in <module> import matplotlib.backend_bases as backend_bases File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/backend_bases.py", line 55, in <module> import matplotlib.textpath as textpath File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/textpath.py", line 22, in <module> from matplotlib.mathtext import MathTextParser File "/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/mathtext.py", line 64, in <module> import matplotlib._png as _png ImportError: dlopen(/Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/_png.so, 2): Library not loaded: /usr/local/lib/libpng15.15.dylib Referenced from: /Library/Python/2.7/site-packages/matplotlib-1.4.x-py2.7-macosx-10.9-intel.egg/matplotlib/_png.so Reason: image not found
I have libpng16 installed, but not libpng15 .
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