pydata/patsy — pull request #16 by jseabold (2013-03-26 16:09:50+00:00)
Title: BLD: Don't upgrade numpy with pip install -U patsy

Untested...thoughts? This should help keep a pip upgrade of statsmodels from upgrading numpy if we add patsy to install_requires.

https://github.com/statsmodels/statsmodels/issues/588
https://github.com/statsmodels/statsmodels/issues/549