def receive_empty(self, empty, transaction):
        if empty.type == defines.Types["RST"]:
            host, port = transaction.request.source
            key_token = hash(str(host) + str(port) + str(transaction.request.token))
            logger.info("Remove Subscriber")
            try:
                del self._relations[key_token]
            except KeyError:
                pass
            transaction.completed = True
        return transaction
Runs the handler, flushes the streams, and ends the request.
dataset/ETHPy150Open Tanganelli/CoAPthon/coapthon/layers/observelayer.py/ObserveLayer.receive_empty--crossover with--dataset/ETHPy150Open kdart/pycopia/core/pycopia/inet/fcgi.py/Request.run