raise InvalidBasesError("Cannot resolve bases for %r\nThis can happen if you are inheriting models from an app with migrations (e.g. contrib.auth)\n in an app with no migrations; see https://docs.djangoproject.com/en/1.7/topics/migrations/#dependencies for more" % new_unrendered_models)
django.db.migrations.state.InvalidBasesError: Cannot resolve bases for [<ModelState: 'scripts.DoNothing'>, <ModelState: 'scripts.Store'>, <ModelState: 'players.BotStarter'>, <ModelState: 'scripts.CheckSessions'>, <ModelState: 'scripts.ValidateChannelHandler'>, <ModelState: 'scripts.ValidateScripts'>, <ModelState: 'scripts.ValidateIdmapperCache'>]
This can happen if you are inheriting models from an app with migrations (e.g. contrib.auth)