bradleyayers/django-tables2 — pull request #214 by mbertheau (2014-10-07 03:46:46+00:00)
Title: Don't call managers when resolving accessors

In Django-1.7 they have become callable, but calling them is usually not
what we want. (django 04a2a6b0)

Works around or maybe fixes

https://github.com/bradleyayers/django-tables2/issues/211