Matplotlib import error

[C Smith]

On Fri, Feb 6, 2015 at 7:04 PM, Ned Deily <nad at acm.org> wrote:
> In article
> <CAL2Y8-RVCoy-mBWAbgGqPkazo_xW-x4q0NTyG+A5sm19sg=xmQ at mail.gmail.com>,
>  C Smith <illusiontechniques at gmail.com> wrote:
>> I had python 2.7.6 installed on OS X yosemite, which has always worked
>> fine, until I tried to install matplotlib with pip. I got the same
>> error below and upgraded to 2.7.9, used pip to upgrade all the
>> packages, but still get the same error.
>>
>> >>> import matplotlib
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>>   File "/Library/Python/2.7/site-packages/matplotlib/__init__.py",
>> line 180, in <module>
>>     from matplotlib.cbook import is_string_like
>>   File "/Library/Python/2.7/site-packages/matplotlib/cbook.py", line
>> 33, in <module>
>
> It looks like you have a mixture of packages, some left over from using
> the system Python 2.7 and, unfortunately, the system Python site-package
> directory is included at the sys.path search path for other Pythons,
> like the python.org Pythons.  If you plan to just use the Python 2.7.9,
> go to /Library/Python/2.7/site-packages and rm everything there.  Then
> use the 2.7.9 pip to install matplotlib.  It should download and install
> (to
> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-pack
> ages) the binary wheels for matplotlib and its dependencies, including
> numpy, and all just work.
>
> --
>  Ned Deily,
>  nad at acm.org
>
> --
> https://mail.python.org/mailman/listinfo/python-list

A lot of the stuff in that directory took a long time to get compiled
and working properly. Buildozer, pcapy, scapy are more important than
matplotlib to me, and they work well.