django/django — pull request #1318 by onceuponatimeforever (2013-07-01 03:57:08+00:00)
Title: Fixed #20659.Error in the example for Using SingleObjectMixin w/ListView

Error in the example for Using SingleObjectMixin with ListView. https://code.djangoproject.com/ticket/20659
I applied patch created by Baptiste Mispelon. Please code review. Thanks.