Enable django_filters as an app

1 job for future in 32 seconds
Status Job ID Name Coverage
  Test
failed #9272
build

00:00:32

 
Name Stage Failure
failed
build Test
    backend = load_backend(db['ENGINE'])
File "/usr/local/lib/python2.7/site-packages/django/db/utils.py", line 130, in load_backend
raise ImproperlyConfigured(error_msg)
django.core.exceptions.ImproperlyConfigured: 'django.db.backends.postgresql' isn't an available database backend.
Try using 'django.db.backends.XXX', where XXX is one of:
u'base', u'mysql', u'oracle', u'postgresql_psycopg2', u'sqlite3'
Error was: No module named postgresql.base
Coverage.py warning: No data was collected. (no-data-collected)
ERROR: Job failed: exit code 1