Fixed #5922 -- Turned `ModelBackend` authentication backend into a new-style class, thanks `Honza_Kral`.
Fixed #5922 -- Turned `ModelBackend` authentication backend into a new-style class, thanks `Honza_Kral`.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%407201

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel