code: def setUpClass(cls):
      class MyClass(object):
          @private_method
          def _private_func(self):
              tl.logging.debug("I am private")
  
          def public_func(self):
              tl.logging.debug(
                  "I am public and calling now the private func"
              )
              self._private_func()
  
      cls.my_object = MyClass()
  
file_path: TensorLayer/tests/pending/test_decorators.py
imports: import os
  import unittest
  import tensorflow
  import tensorlayer
  from tensorlayer.decorators import private_method
  from tests.utils import CustomTestCase
label_desc: Use image node_id 1 for calling the Layer_Pooling_Test obj's underlying member method code with example usage: obj.setUpClass(cls) without return types