code: def setUpClass(cls):
      cls.maxDiff = None
      cls.config = ImageAugConfig(input_file_index=0)
  
      img_path, img_file = cls.config.get_input_path()
      cls.local_img_path = pathmgr.get_local_path(img_path)
      cls.img = Image.open(cls.local_img_path)
  
file_path: AugLy/augly/tests/image_tests/base_unit_test.py
imports: import os
  import tempfile
  import unittest
  from typing import Any, Callable, Dict, List, Optional
  import numpy
  from augly.tests import ImageAugConfig
  from augly.utils import pathmgr, TEST_URI
  from PIL import Image
label_desc: Use image node_id 2 for calling the BaseImageUnitTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types