iambrandontaylor/django-admin-sortable — pull request #62 by foonicorn (2013-11-23 11:29:34+00:00)
Title: Replace deprecated mimetype with content_type

Passing `mimetype` to an HttpResponse object is deprecated
since Django 1.5 and will throw an error in Django 1.7.
`content_type` is supported since Django 1.0.