def Ancestor(self, ancestor):
    self.__ancestor_pb = _GetCompleteKeyOrError(ancestor)._ToPb()
    return self
Decorate a model maker to add a `save` kwarg.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/datastore.py/Query.Ancestor--crossover with--dataset/ETHPy150Open mozilla/standup/standup/tests/__init__.py/with_save