Django developers - join
Discussion group for Django developers. This group is used for discussion of developing Django itself, not user questions; Please use django-users for issues regarding using the framework, questions for the Django user community outreach, etc.
Low activity, 5004 members

Django updates - join
A "read-only" announcement mailing list for Django, a high-level Python Web framework (djangoproject.com). This list automatically gets a message each time a change is made to the Django codebase or ticket system.
Low activity, 710 members

Satchmo users - join
This group is focused on supporting the satchmo framework for developing ecommerce (or shopping cart) sites. The source code is hosted here - http://bitbucket.org/chris1610/satchmo/wiki/Home
Low activity, 909 members