code: def setUpClass(cls):
      # Write Accelerate config, will pick up on CPU, GPU, and multi-GPU
      cls.tmpdir = tempfile.mkdtemp()
      cls.configPath = os.path.join(cls.tmpdir, "default_config.yml")
      write_basic_config(save_location=cls.configPath)
      cls._launch_args = [
          "accelerate",
          "launch",
          "--config_file",
          cls.configPath,
      ]
  
imports: import argparse
  import json
  import logging
  import os
  import shutil
  import sys
  import tempfile
  from unittest import mock
  import torch
  from accelerate.utils import write_basic_config
  from transformers.testing_utils import TestCasePlus, get_gpu_count, is_flaky, run_command, slow, torch_device
  from transformers.utils import is_apex_available
label_desc: Use image node_id 1 for calling the ExamplesTestsNoTrainer obj's underlying member method code with example usage: obj.setUpClass(cls) without return types