def set_receive_handler(self, block):
    self._client_receive_handler = block
On connection lost, cancel all timeout operations.
dataset/ETHPy150Open ucb-sts/sts/sts/util/deferred_io.py/DeferredIOWorker.set_receive_handler--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/test/test_policies.py/TimeoutTester.connectionLost