code: def test_style_transfer3(self):
      results = self.module.style_transfer(
          images=[cv2.imread("tests/test.jpg")]
      )
      self.assertIsInstance(results[0], np.ndarray)
  
file_path: PaddleHub/modules/image/Image_gan/style_transfer/animegan_v2_paprika_97/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import numpy
  import requests
  import paddlehub
label_desc: Use image node_id 5 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_style_transfer3() without return types