I have some problems with Django admin.
after syncdb, the result is:
Creating tables ...
Installing custom SQL ...
Installing indexes ...
No
Yes, the solution mentioned at the top can be (part of) the solution.
I've noticed however, that not only including django.contrib.sites without configuration can cause that problem, also including any site of
allauth (pip install django-allauth) might cause this problem if said package is not configured correctly.
(And allauth is as far as I've seen not configured correctly by default...)