django-extensions/django-extensions — pull request #511 by pmav99 (2014-05-28 07:05:42+00:00)
Title: fix python3 compatibility of unreferenced_files

`dict.iterkeys()` does not exist in python 3.

With this patch, we replace `iterkeys()` with ` for key in dictionary: pass ` which is both pythonic and cross version compatible.