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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def stopTrying(self):
 """Stop trying to reconnect to the broker. See the documentation of `twisted.internet.protocol.ReconnectingClientFactory` for details. """

        protocol.ReconnectingClientFactory.stopTrying(self)
        if not self._client_ready.called:
            self._client_ready.errback(
                pika.exceptions.AMQPConnectionError(
                    u"Could not connect, reconnection cancelled."
                )
            )