Removed unused warnings import that should have been removed in [8191], refs #7830.
Removed unused warnings import that should have been removed in [8191], refs #7830.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%408199

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