Python ImportError: no module named os

Question

Trying to upgrade matplotlib as in this post, I ran

export PYTHONHOME=/usr/lib/python2.7/
sudo easy_install -U distribute
sudo pip install --upgrade matplotlib
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Answer 1

Use Anaconda.

https://store.continuum.io/cshop/anaconda/

It has every Python package you could possibly think of - including matplotlib - it updates them all at once as well.