piquadrat/django-treeadmin — pull request #9 by evildmp (2013-03-18 19:17:52+00:00)
Title: make sure short_title is callable before calling it

If the model has a ``short_title``, the admin will try ``short_title()`` whether or not it's actually callable, the way the FeinCMS ``short_title`` is. So, we'd better check first.