def _auth_error(self, provider, msg=None):
        self.redirect('/')
Add a new son manipulator to this database.
dataset/ETHPy150Open ibagrak/algae/gae/libs/simpleauth/handler.py/SimpleAuthHandler._auth_error--crossover with--dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/database.py/Database.add_son_manipulator