Changed ModelFormMetaclass to have the normal signature for a __new__ method. Allows extending the metaclass more normally.
Changed ModelFormMetaclass to have the normal signature for a __new__ method.
Allows extending the metaclass more normally.

Patch from Christian Tanzer. Refs #7617.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%407847

Belgabor/django,Belgabor/django,Belgabor/django