jakewins/django-money — pull request #11 by rach (2012-10-09 16:58:00+00:00)
Title: Fix AttributeError when Model inherit a mager

AttributeError: 'NoneType' object has no attribute 'get_query_set'
When a Model inherit from an Abstract one which implement a Manager.
In this case '_default_manager' is defined but equal to None