code: def test_object_detection4(self):
      self.assertRaises(
          AssertionError, self.module.object_detection, paths=["no.jpg"]
      )
  
file_path: PaddleHub/modules/image/object_detection/yolov3_resnet34_coco2017/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import requests
  import paddlehub
label_desc: Use image node_id 6 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_object_detection4() without return types