statsmodels/statsmodels — pull request #883 by guyrt (2013-06-20 21:24:24+00:00)
Title: Fixed pyflakes issue in discrete module

I'm not sure how this one snuck through, but went ahead and fixed it.

A few PEP8 issues I noticed, though there are a few more in this module.

Refs https://github.com/statsmodels/statsmodels/issues/613