code: def test_keypoint_detection6(self):
      self.assertRaises(
          AttributeError,
          self.module.keypoint_detection,
          images=["test.jpg"],
      )
  
file_path: PaddleHub/modules/image/keypoint_detection/hand_pose_localization/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import requests
  import paddlehub
label_desc: Use image node_id 8 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_keypoint_detection6() without return types