Tightened up code in django.contrib.contenttypes.models.ContentTypeManager.get_for_model() to use get_or_create()
Tightened up code in django.contrib.contenttypes.models.ContentTypeManager.get_for_model() to use get_or_create()

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@3173 bcc190cf-cafb-0310-a4f2-bffc1f526a37

hugs/django,skevy/django,disqus/django-old,t11e/django,bfirsh/django-old,mitsuhiko/django,Smarsh/django,rawwell/django,rawwell/django,Smarsh/django,rawwell/django,jamespacileo/django-france,Instagram/django,alex/django-old,disqus/django-old,sam-tsai/django-old,Smarsh/django,dcramer/django-compositepks,alex/django-old,t11e/django,skevy/django,skevy/django,t11e/django,dcramer/django-compositepks,sam-tsai/django-old,hugs/django,jamespacileo/django-france,dcramer/django-compositepks,django-nonrel/django-nonrel,disqus/django-old,mitsuhiko/django,mitsuhiko/django,Instagram/django,django-nonrel/django-nonrel,Smarsh/django,alex/django-old,Instagram/django,hugs/django,bfirsh/django-old,jamespacileo/django-france,sam-tsai/django-old,django-nonrel/django-nonrel,bfirsh/django-old,sam-tsai/django-old