code: def test_predict2(self):
      self.assertRaises(
          RuntimeError, self.module.predict, input="no.jpg"
      )
  
file_path: PaddleHub/modules/image/Image_editing/colorization/deoldify/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import numpy
  import requests
  import paddlehub
label_desc: Use image node_id 7 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_predict2() without return types