def METHOD_NAME(self):
    # relevant cmd args
    conn_str = self.parsed_args.connection_string
    # gather data from ServerConfig Op:
    saved_server_config = self.serverConfigApplet.topLevelOperator.ServerConfig.value
    device = None
    if not conn_str:
        conn_str = saved_server_config.address
        _devices = [d for d in saved_server_config.devices if d.enabled]
        assert len(_devices) == 1, "For now there is no support for mutlti-GPU anything from our side."
        device = _devices[0].id
    srv_config = ServerConfig(id="auto", address=conn_str, devices=[Device(id="cpu", name="cpu", enabled=True)])
    connFactory = tiktorch.TiktorchConnectionFactory()
    conn = connFactory.ensure_connection(srv_config)
    preferred_cuda_device_id, device_name = super()._configure_device(conn, saved_device=device)
    srv_config = srv_config.evolve(devices=[Device(id=preferred_cuda_device_id, name=device_name, enabled=True)])
    opClassify = self.nnClassificationApplet.topLevelOperator
    opClassify.ServerConfig.setValue(srv_config)