code: def test_repr(self):
      transform = PackTextDetInputs()
      self.assertEqual(
          repr(transform),
          (
              "PackTextDetInputs(meta_keys=('img_path', 'ori_shape', "
              "'img_shape', 'scale_factor', 'flip', 'flip_direction'))"
          ),
      )
  
file_path: mmocr/tests/test_datasets/test_transforms/test_formatting.py
imports: import copy
  from unittest import TestCase
  import numpy
  import torch
  from mmocr.datasets.transforms import PackKIEInputs, PackTextDetInputs, PackTextRecogInputs
label_desc: Use image node_id 2 for calling the TestPackTextDetInputs obj's underlying member method code with example usage: obj.test_repr() without return types