code: def deepcopy(self):
          
          # Manual copy is far faster than deepcopy for BoundingBoxesOnImage,
          # so use manual copy here too
          bbs = [bb.deepcopy() for bb in self.bounding_boxes]
          return BoundingBoxesOnImage(bbs, tuple(self.shape))
docs: Create a deep copy of the BoundingBoxesOnImage object.
  
          Returns
          -------
          imgaug.BoundingBoxesOnImage
              Deep copy.