code: def test_optional_args(
      self, patches, model_service_worker, batch_size, gpu
  ):
      data = self.data.copy()
      if batch_size[0]:
          data["batchSize"] = batch_size[0]
      if gpu[0]:
          data["gpu"] = gpu[0]
          model_service_worker.load_model(data)
  
imports: import os
  import socket
  import sys
  from collections import namedtuple
  import mock
  import pytest
  from mock import Mock
  from ts.model_service_worker import TorchModelServiceWorker
  from ts.service import Service
label_desc: Use image node_id 3 for calling the TestLoadModel obj's underlying member method code with example usage: obj.test_optional_args(patches, model_service_worker, batch_size, gpu) without return types