customised auth user model

[kiatweitan]

/ratings/models.py:114: RemovedInDjango18Warning: _RatingsDescriptor.get_query_set method should be renamed get_queryset.
class _RatingsDescriptor(models.Manager):

CommandError: System check identified some issues:

ERRORS:
ratings.RatedItem.user: (fields.E301) Field defines a relation with the model 'auth.User', which has been swapped out.
HINT: Update the relation to point at 'settings.AUTH_USER_MODEL'.