plotly/python-api — pull request #65 by theengineear (2014-07-08 01:18:12+00:00)
Title: Setup script

@chriddyp, @etpinard, what do you think about throwing warnings here like this?

basically, if you (1) don't have a core package installed (2) if the core package is older than ours and (3) if you have an outdated optional package (think matplotlib)