def del_register_user(self, register_user):
        raise NotImplementedError
Return a view object of the keys in this data store.
dataset/ETHPy150Open dpgaspar/Flask-AppBuilder/flask_appbuilder/security/manager.py/BaseSecurityManager.del_register_user--crossover with--dataset/ETHPy150Open ntoll/p4p2p/p4p2p/dht/storage.py/DictDataStore.keys