Fixed #6641 -- If we lose a race when creating a new object in get_or_create, re-get the result from the database and return that. Thanks, Jeff Guinness and Timothée Peignier.
Fixed #6641 -- If we lose a race when creating a new object in get_or_create,
re-get the result from the database and return that. Thanks, Jeff Guinness and
Timothée Peignier.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@7289 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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