code: def tearDownClass(cls):
      pass
  
file_path: TensorLayer/tests/layers/test_layers_core_nested.py
imports: import os
  import unittest
  import numpy
  import tensorflow
  import tensorlayer
  from tests.utils import CustomTestCase
label_desc: Use image node_id 2 for calling the Layer_nested obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types