gistfile1.txt

In [1]: import matplotlib

In [2]: matplotlib.cm
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-2-d4848939ab69> in <module>()
----> 1 matplotlib.cm

AttributeError: module 'matplotlib' has no attribute 'cm'

In [3]: import matplotlib.pyplot

In [4]: matplotlib.cm
Out[4]: <module 'matplotlib.cm' from '/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/matplotlib/cm.py'>