code: def setUpClass(cls):
      names = json.load(
          open(
              path.join(
                  path.dirname(path.abspath(__file__)),
                  "data",
                  "flag_names.json",
              )
          )
      )
      for name in names:
          if name in list(flags.FLAGS):
              delattr(flags.FLAGS, name)
      from aup.dlconvert import checkpoint_to_onnx
  
      cls.c2o = checkpoint_to_onnx
  
file_path: auptimizer/tests/dlconvert/test_checkpoint_to_onnx.py
imports: import unittest
  import sys
  from absl import flags
  from os import path, remove
  from six import PY2
  import json
  from tensorflow import __version__
  from tensorflow.python.util import deprecation
label_desc: Use image node_id 1 for calling the CheckpointToOnnxTestCase obj's underlying member method code with example usage: obj.setUpClass(cls) without return types