spacetelescope/asv — pull request #47 by mdboom (2014-01-10 22:15:05+00:00)
Title: Known issue: Running in Python 3.3 asv master with virtualenv 1.11

Should be fixed in the next version of virtualenv:

https://bitbucket.org/pypa/setuptools/issue/129/assertionerror-egg-info-pkg-info-is-not-a