  from django.contrib.auth.management.commands import (
      changepassword, createsuperuser,
  )
  from django.contrib.auth.models import Group, User
  from django.contrib.auth.tests.custom_user import (
      CustomUser, CustomUserBadRequiredFields, CustomUserNonListRequiredFields,
      CustomUserNonUniqueUsername, CustomUserWithFK, Email,
  )
  from django.contrib.contenttypes.models import ContentType
  from django.core import checks, exceptions
  from django.core.management import call_command
  from django.core.management.base import CommandError
  from django.test import TestCase, override_settings, override_system_checks
 
</s> remove from django.contrib.auth.tests.custom_user import (
    CustomPermissionsUser, CustomUser, ExtensionUser,
)
 </s> add from django.contrib.auth.tests.custom_user import CustomUser, ExtensionUser </s> remove # Needed so model is installed when tests are run independently:
from django.contrib.auth.tests.custom_user import IsActiveTestUser1  # NOQA
 </s> add  </s> remove # Needed so model is installed when tests are run independently:
from django.contrib.auth.tests.custom_user import CustomUser  # NOQA
 </s> add 
from django.contrib.auth.tests.custom_user import CustomUser
  from django.contrib.auth.management.commands import (
      changepassword, createsuperuser,
  )
  from django.contrib.auth.models import Group, User
from django.contrib.auth.tests.custom_user import CustomUser
from django.contrib.auth.tests.custom_user import CustomUser
from django.contrib.auth.tests.custom_user import CustomUser
from django.contrib.auth.tests.custom_user import CustomUser
  from django.contrib.contenttypes.models import ContentType
  from django.core import checks, exceptions
  from django.core.management import call_command
  from django.core.management.base import CommandError
  from django.test import TestCase, override_settings, override_system_checks
keep keep keep keep replace replace replace replace keep keep keep keep keep
 Moved non-documented auth test models to the new test location. 
tests/auth_tests/test_management.py