class_docstr: Tuple Metric 
code: def __init__(self, verbose=False, match_mode="normal"):
      self.tp = 0.0
      self.gold_num = 0.0
      self.pred_num = 0.0
      self.verbose = verbose
      self.match_mode = match_mode
      assert self.match_mode in {"set", "normal", "multimatch"}
  
imports: from collections import defaultdict
  from copy import deepcopy
  from typing import Dict, List
  import sys
label_desc: Use image node_id 1 to create a new Metric object  with example: obj = Metric(verbose, match_mode)