[1.6.x] Corrected an import in a model form docs example.
[1.6.x] Corrected an import in a model form docs example.

422f5d9a2c from master.

redhat-openstack/django,felixjimenez/django,django-nonrel/django,django-nonrel/django,redhat-openstack/django,felixjimenez/django,redhat-openstack/django,django-nonrel/django,redhat-openstack/django,felixjimenez/django,django-nonrel/django,felixjimenez/django