Fixed ModelAdminBase2 to allow overriding existent views.
Fixed ModelAdminBase2 to allow overriding existent views.

hnakamur/django-admin2,yarbelk/django-admin2,andrewsmedina/django-admin2,andrewsmedina/django-admin2,pydanny/django-admin2,pydanny/django-admin2,andrewsmedina/django-admin2,yarbelk/django-admin2,hnakamur/django-admin2