def unregisterProducer(self):
        self.producer = None
        if self.connected and self.disconnecting:
            self.startWriting()
Deletes an external firewall appliance.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/abstract.py/_ConsumerMixin.unregisterProducer--crossover with--dataset/ETHPy150Open jasonhancock/cloudstack-python-client/CloudStack/Client.py/Client.deleteExternalFirewall