def buildProtocol(self, addr):
        proto = portforward.ProxyClientFactory.buildProtocol(self, addr)
        self.protoInstance = proto
        return proto
Create the protocol instance and keeps track of it.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/test/test_protocols.py/TestableProxyClientFactory.buildProtocol