Django 1.8: subclass AbstractUser, App 'auth' doesn't have a 'myuser' model.

Hello,

I'm trying to upgrade an app from Django 1.6 to 1.8 but I can't solve
a problem apparently related to a custom user model.

The project has an 'auth' app with its corresponding models.py and
apps.py. The snippet pasted bellow reproduces the problem which I
don't know how to fix.

Many TIA,
Norberto


# auth/models.py
from django.contrib.auth.models import AbstractUser
from django.db import models

class MyUser(AbstractUser):
pass


# auth/apps.py
from django.apps import AppConfig

class MyAuth(AppConfig):
name = 'auth'
label = 'myauth'


# project/setting.py

INSTALLED_APPS = (
...
'auth.apps.MyAuth',
...
)

AUTH_USER_MODEL = 'auth.MyUser'


Note apps.py is there just because 'auth' collides with django.contrib.auth.


$ ./manage.py makemigrations
Traceback (most recent call last):
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/apps/config.py",
line 159, in get_model
return self.models[model_name.lower()]
KeyError: 'myuser'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "./manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/core/management/__init__.py",
line 351, in execute_from_command_line
utility.execute()
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/core/management/__init__.py",
line 343, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/core/management/base.py",
line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/core/management/base.py",
line 444, in execute
self.check()
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/core/management/base.py",
line 482, in check
include_deployment_checks=include_deployment_checks,
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/core/checks/registry.py",
line 72, in run_checks
new_errors = check(app_configs=app_configs)
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/contrib/auth/checks.py",
line 12, in check_user_model
cls = apps.get_model(settings.AUTH_USER_MODEL)
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/apps/registry.py",
line 202, in get_model
return self.get_app_config(app_label).get_model(model_name.lower())
File "/home/ubuntu/.virtualenvs/testauth/lib/python3.4/site-packages/django/apps/config.py",
line 162, in get_model
"App '%s' doesn't have a '%s' model." % (self.label, model_name))
LookupError: App 'auth' doesn't have a 'myuser' model.

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