code: def test_repr(self):
      transform = LoadAnnotations(
          with_bbox=True,
          with_label=False,
          with_seg=False,
          with_mask=False,
      )
      self.assertEqual(
          repr(transform),
          (
              "LoadAnnotations(with_bbox=True, "
              "with_label=False, with_mask=False, "
              "with_seg=False, poly2mask=True, "
              "imdecode_backend='cv2', "
              "backend_args=None)"
          ),
      )
  
imports: import copy
  import os
  import os.path
  import sys
  import unittest
  from unittest.mock import MagicMock, Mock, patch
  import mmcv
  import numpy
  from mmdet.datasets.transforms import FilterAnnotations, LoadAnnotations, LoadEmptyAnnotations, LoadImageFromNDArray, LoadMultiChannelImageFromFiles, LoadProposals, LoadTrackAnnotations
  from mmdet.evaluation import INSTANCE_OFFSET
  from mmdet.structures.mask import BitmapMasks, PolygonMasks
label_desc: Use image node_id 7 for calling the TestLoadAnnotations obj's underlying member method code with example usage: obj.test_repr() without return types