django-extensions/django-extensions — comment on commit db549c0c6a0ac5ca963187bbded9aeb2e05daff8
File:  line 0
By ericbuckley:

On lines 89 and 92 I believe you need to pass connection as `connection=connection`. Otherwise the subclassing modules `call_with_connection` will add a default connection param.

http://code.djangoproject.com/svn/django/tags/releases/1.3.1/django/db/models/fields/subclassing.py