def connectTCP(self, host, port, factory, timeout=30, bindAddress=None):
        """
        @see: twisted.internet.interfaces.IReactorTCP.connectTCP
        """
        c = tcp.Connector(host, port, factory, timeout, bindAddress, self)
        c.connect()
        return c

        @see: twisted.internet.interfaces.IReactorTCP.connectTCP
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/internet/iocpreactor/reactor.py