class_docstr: All about an annotation such as Mask, Category, BoundingBox.
class_docstr_tok: ["All","about","an","annotation","such","as","Mask",",","Category",",","BoundingBox","."]
code: def __repr__(self):
      return f"""ObjectAnnotation<
      bbox: {self.bbox},
      mask: {self.mask},
      category: {self.category}>"""
  
imports: import copy
  from typing import Dict, List, Optional
  import numpy
  from sahi.utils.coco import CocoAnnotation, CocoPrediction
  from sahi.utils.cv import get_bbox_from_bool_mask, get_bool_mask_from_coco_segmentation, get_coco_segmentation_from_bool_mask
  from sahi.utils.shapely import ShapelyAnnotation
label_desc: Use image node_id 15 for calling the ObjectAnnotation obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str, self, str