code: def check_config_can_be_init_without_params(self):
      if self.config_class.is_composition:
          return
      config = self.config_class()
      self.parent.assertIsNotNone(config)
  
imports: import copy
  import json
  import os
  import shutil
  import sys
  import tempfile
  import unittest
  import unittest.mock
  from pathlib import Path
  from huggingface_hub import HfFolder, delete_repo, set_access_token
  from requests.exceptions import HTTPError
  from transformers import AutoConfig, BertConfig, GPT2Config, is_torch_available
  from transformers.configuration_utils import PretrainedConfig
  from transformers.testing_utils import TOKEN, USER, is_staging_test
  from test_module.custom_configuration import CustomConfig
label_desc: Use image node_id 8 for calling the ConfigTester obj's underlying member method code with example usage: obj.check_config_can_be_init_without_params() without return types