ooici/pyon — pull request #225 by daf (2013-01-18 21:07:06+00:00)
Title: Patch out ipython's virtualenv handling

IPython tries to be proactive about loading libraries in a virtualenv, if IPython is not from the same virtualenv (or none at all). This leads to possible version conflicts in loaded modules if the buildout conflicts with eggs in the virtualenv.

See https://github.com/ipython/ipython/blob/master/IPython/core/interactiveshell.py#L700-L729