django-mptt/django-mptt — pull request #292 by rasky (2014-02-13 17:54:26+00:00)
Title: Fix compatibility with Python 2.6.1 (Snow Leopard)

This workarounds a bug in Python 2.6.1 that has been fixed in later versions. Since this version is the default one in Snow Leopard system, it makes sense to add a simple, non-invasive workaround.