In development version of Django 1.9 mass-edit causes following error:
File "env19/src/django-mass-edit/massadmin/massadmin.py", line 34, in <module>
from django.contrib.admin.util import unquote
ImportError: No module named util
It is because modules with backward compatibility were removed - see [release notes](https://docs.djangoproject.com/en/dev/releases/1.9/)
In development version of Django 1.9 mass-edit causes following error: