dreamhost/stevedore — pull request #30 by philiptzou (2013-10-24 05:43:36+00:00)
Title: a work-around to avoid cpython bug (15881)

In python < 2.7.4, a lazy loading of package `pbr` will break setuptools if some other modules registered functions in `atexit`.
solution from: http://bugs.python.org/issue15881#msg170215