Python Error: “ImportError: No module named six”

Question

I am running Python 2.7 on a Windows 7 OS

Here is what I run:

>>> import matplotlib.pyplot as plt

Then I get this:

Answer 1

for me i had two versions of matplotlib installed. Just run "pip uninstall matplotlib", and again run "pip install matplotlib". For me multiple doenloads messed up everything. First try this, and if it does not help move to the next steps.