code: def setUpClass(cls) -> None:
      cls.module = hub.Module(name="diffsinger")
  
file_path: PaddleHub/modules/audio/svs/diffsinger/test.py
imports: import shutil
  import unittest
  import paddlehub
label_desc: Use image node_id 1 for calling the TestHubModule obj's underlying member method code with example usage: obj.setUpClass(cls) without return types