报错信息:File "/usr/lib64/python2.7/site-packages/django/contrib/auth/init.py", line 199, in get_user_model
"AUTH_USER_MODEL refers to model '%s' that has not been installed" % settings.AUTH_USER_MODEL
django.core.exceptions.ImproperlyConfigured: AUTH_USER_MODEL refers to model 'accounts.User' that has not been installed
请问这是什么问题呢