code: def test_style_transfer1(self):
      results = self.module.style_transfer(paths=["tests/test.jpg"])
      self.assertIsInstance(results[0], np.ndarray)
  
file_path: PaddleHub/modules/image/Image_gan/style_transfer/animegan_v2_shinkai_33/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import numpy
  import requests
  import paddlehub
label_desc: Use image node_id 3 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_style_transfer1() without return types