code: def __getitem__(self, idx):
      return self.bboxes[idx]
  
file_path: chitra/chitra/coordinates.py
imports: from typing import TYPE_CHECKING, List, Optional, Tuple, Union
  import numpy
  from imgaug.augmentables import bbs
label_desc: Use image node_id 7 for calling the BoundingBoxes obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: self