collective/buildout.python — pull request #18 by sgillies (2012-09-29 16:35:19+00:00)
Title: Python 3.3.0 needs virtualenv 1.8.2

Pip 1.1 is incompatible with Python 3.3.0, at least on OS X. See Change log in http://pypi.python.org/pypi/virtualenv and https://github.com/pypa/virtualenv/issues/322.