code: def summarize(self):
      for iou_type, coco_eval in self.coco_eval.items():
          print(f"IoU metric: {iou_type}")
          coco_eval.summarize()
  
imports: import copy
  import io
  from contextlib import redirect_stdout
  import numpy
  import pycocotools.mask
  import torch
  import utils
  from pycocotools.coco import COCO
  from pycocotools.cocoeval import COCOeval
label_desc: Use image node_id 5 for calling the CocoEvaluator obj's underlying member method code with example usage: obj.summarize() without return types