code: def tearDownClass(cls):
      shutil.rmtree(cls.temp_data)
      pass
  
imports: import logging
  import unittest
  import shutil
  from copy import copy
  import yaml
  import numpy
  from pathlib import Path
  from unittest.mock import patch, Mock
  from ISR.models.rdn import RDN
  from ISR.predict.predictor import Predictor
label_desc: Use image node_id 2 for calling the PredictorClassTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types