Added a docstring to CyclicDependency exception class.
Added a docstring to CyclicDependency exception class.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7911 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : 54a731660dea065f8e270964e03f76dad6f7dbf6

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