code: def test_init(self):
      with self.assertRaises(AssertionError):
          ImgAugWrapper(args=[])
      with self.assertRaises(AssertionError):
          ImgAugWrapper(args=["test"])
  
imports: import copy
  import unittest
  from typing import Dict, List, Optional
  import numpy
  from shapely.geometry import Polygon
  from mmocr.datasets.transforms import ConditionApply, ImgAugWrapper, TorchVisionWrapper
label_desc: Use image node_id 1 for calling the TestImgAug obj's underlying member method code with example usage: obj.test_init() without return types