python - AUTH_USER_MODEL refers to model that has not been installed -

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i getting error

improperlyconfigured @ /admin/ auth_user_model refers model 'ledger.user' has not been installed

i getting on production server. not when run things via localhost. first when making request. thought database must out of sync deleted tables , ran manage.py syncdb. now, seems have propogated , going admin throws error.

i have never seen error before , can't figure out deal is. have defined auth_user_model in settings.py:

... installed_apps = (     'django.contrib.admin',     'django.contrib.auth',     'django.contrib.contenttypes',     'django.contrib.sessions',     'django.contrib.messages',     'django.contrib.staticfiles',     'ledger',     'extension',     'plugin',     'social.apps.django_app.default', )  auth_user_model = 'ledger.user'  ...

models.py:

... class user(abstractuser):     def __unicode__(self):         return self.username     balance = models.integerfield(default=0)     total_pledged = models.integerfield(default=0)     last_pledged = models.foreignkey('transaction', related_name='pledger', blank=true, null=true)     extension_key = models.charfield(max_length=100, null=true, blank=true)     plugin_key = models.charfield(max_length=100, null=true, blank=true)     ghosted = models.booleanfield(default=false)      def save(self, *args, **kwargs):         print('saving')         try:             self.company.save()         except:             print('no company')         super(user, self).save(*args, **kwargs) ...

this error can appear if 1 of other apps fails load - if has nothing custom user model. in case, had 'gcharts' app installed needed install google-visualization-python library it. neither have user model, django returned error regardless.

the following should reveal true root cause of issue:

  • comment out of apps in settings.py until django boots up.
  • add apps 1 @ time until error

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