AUTH_USER_MODEL String model references must be of the form 'app_label.ModelName' code example
Example: ValueError: Invalid model reference 'user_auth.models.User'. String model references must be of the form 'app_label.ModelName'.
# In you settings.py, change
# AUTH_USER_MODEL = 'users.models.MyUser'
# to
AUTH_USER_MODEL = 'users.MyUser'