id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
19060	has_perm() raises exception when used with custom user inheriting AbstractUser	Ivan Virabyan	nobody	"
{{{
from django.contrib.auth.models import AbstractUser

class CustomUser(AbstractUser):
    avatar = models.ImageField(upload_to='avatars')


>>> user = CustomUser.objects.create_user(username='test', email='test@example.com')
>>> user.has_perm('test')
Traceback (most recent call last):
  ...
  File ""django/django/db/models/fields/related.py"", line 1197, in _get_m2m_reverse_attr
    for f in self.rel.through._meta.fields:
AttributeError: 'NoneType' object has no attribute '_meta'
}}}

This isn't reproducable in test environment, because m2m ""through"" table created before settings.CUSTOM_USER_MODEL is overriden."	Bug	closed	contrib.auth	dev	Release blocker	fixed			Accepted	1	0	0	0	0	0