def db_for_write(self, model, **hints):
        if model._meta.app_label == 'auth':
            return 'other'
        return None
Point all operations on auth models to 'other'
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/multiple_database/tests.py/AuthRouter.db_for_write