How to use the txzmq.connection.ZmqEndpoint function in txZMQ

def _add_endpoints(self, endpoints):
        assert self._state is RUNNING

        endpoints = [
            (e if isinstance(e, ZmqEndpoint)
             else (ZmqEndpoint(*e) if isinstance(e, tuple)
                   else ZmqEndpoint(self.DEFAULT_ENDPOINT_TYPE, e)))
            for e in endpoints
            ]
        self._endpoints.extend(endpoints)
        self._conn.addEndpoints(endpoints)

def _add_endpoints(self, endpoints):
        assert self._state is RUNNING

        endpoints = [
            (e if isinstance(e, ZmqEndpoint)
             else (ZmqEndpoint(*e) if isinstance(e, tuple)
                   else ZmqEndpoint(self.DEFAULT_ENDPOINT_TYPE, e)))
            for e in endpoints
            ]
        self._endpoints.extend(endpoints)
        self._conn.addEndpoints(endpoints)

def add_endpoints(self, endpoints):
        if self._state is NOT_STARTED:
            self._pending_endpoints += endpoints
            return

        endpoints = [
            (e if isinstance(e, ZmqEndpoint)
             else (ZmqEndpoint(*e) if isinstance(e, tuple)
                   else ZmqEndpoint(self.DEFAULT_ENDPOINT_TYPE, e)))
            for e in endpoints
            ]
        self._endpoints.extend(endpoints)
        self._conn.addEndpoints(endpoints)

def _add_endpoints(self, endpoints):
        assert self._state is RUNNING

        endpoints = [
            (e if isinstance(e, ZmqEndpoint)
             else (ZmqEndpoint(*e) if isinstance(e, tuple)
                   else ZmqEndpoint(self.DEFAULT_ENDPOINT_TYPE, e)))
            for e in endpoints
            ]
        self._endpoints.extend(endpoints)
        self._conn.addEndpoints(endpoints)

def add_endpoints(self, endpoints):
        if self._state is NOT_STARTED:
            self._pending_endpoints += endpoints
            return

        endpoints = [
            (e if isinstance(e, ZmqEndpoint)
             else (ZmqEndpoint(*e) if isinstance(e, tuple)
                   else ZmqEndpoint(self.DEFAULT_ENDPOINT_TYPE, e)))
            for e in endpoints
            ]
        self._endpoints.extend(endpoints)
        self._conn.addEndpoints(endpoints)