def notifyOnDisconnect(self, notifier):
        assert callable(notifier)
        self.disconnects.append(notifier)
Returns ``True`` if `value` is a sequence type (e.g., ``list``, or
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/spread/pb.py/Broker.notifyOnDisconnect--crossover with--dataset/ETHPy150Open STIXProject/python-stix/stix/utils/__init__.py/is_sequence