def table_names(self):
        return [kind.key().name() for kind in Query(kind='__kind__').Run()]
Called when room is first created only.
dataset/ETHPy150Open adieu/djangoappengine/db/base.py/DatabaseIntrospection.table_names--crossover with--dataset/ETHPy150Open evennia/evennia/evennia/contrib/extended_room.py/ExtendedRoom.at_object_creation