Python to use a non open source bug tracker?

[Paul Rubin]

Ben Finney <bignose+hates-spam at benfinney.id.au> writes:
> The existing SourceForge system runs on non-free software, which is a
> significant differentiator from Bugzilla.

The SourceForge software, at least in some versions, is free software.
See for example http://savannah.gnu.org for an instantiation, which
may be a fork.  I never followed the saga much.