code: def tearDown(self):
      self.tmp_dir.cleanup()
  
file_path: mmdetection/tests/test_evaluation/test_metrics/test_cityscapes_metric.py
imports: import os
  import os.path
  import tempfile
  import unittest
  import numpy
  import torch
  from PIL import Image
  from mmdet.evaluation import CityScapesMetric
label_desc: Use image node_id 2 for calling the TestCityScapesMetric obj's underlying member method code with example usage: obj.tearDown() without return types