def requestAvatar(self, avatarId, mind, *interfaces):
        if pb.IPerspective not in interfaces:
            raise NotImplementedError("no interface")
        if self._cache in avatarId:
            p = self._cache[avatarId]
        else:
            p = Perspective(self.service)
        p.attached(mind, avatarId)
        def detached():
            p.detached(mind, avatarId)
        return (pb.IPerspective, p, detached)
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/manhole/service.py/Realm.requestAvatar/swapped operands of `in`