code: def tearDownClass(cls):
      shutil.rmtree(cls.tmpdir)
  
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 2 for calling the ExamplesTestsNoTrainer obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types