code: def _proxy_addr(self):
          
          proxy_type, proxy_addr, proxy_port, rdns, username, password = self.proxy
          proxy_port = proxy_port or DEFAULT_PORTS.get(proxy_type)
          if not proxy_port:
              raise GeneralProxyError("Invalid proxy type")
          return proxy_addr, proxy_port
docs: Return proxy address to connect to as tuple object