code: def summarize(self):
      if self.lvis_eval_per_iou is not None:
          for iou_type, lvis_eval in self.lvis_eval_per_iou.items():
              print(f"IoU metric: {iou_type}")
              lvis_eval.print_results()
  
imports: import copy
  import itertools
  import logging
  from typing import List
  import numpy
  import pycocotools.mask
  import torch
  import torch.distributed
  from lvis import LVISEval, LVISResults, LVIS
label_desc: Use image node_id 5 for calling the LvisEvaluator obj's underlying member method code with example usage: obj.summarize() without return types