git-svn-id: http://code.djangoproject.com/svn/django/trunk@11862 bcc190cf-cafb-0310-a4f2-bffc1f526a37
one for push() and update(), the one removed for pop()). Based on a patch from Brian Harring. git-svn-id: http://code.djangoproject.com/svn/django/trunk@6854 bcc190cf-cafb-0310-a4f2-bffc1f526a37