code: def score(self, order=4):
      return self.result_string(order).score
  
file_path: fairseq/fairseq/scoring/chrf.py
imports: from dataclasses import dataclass
  from fairseq.dataclass import FairseqDataclass
  from fairseq.scoring import BaseScorer, register_scorer
label_desc: Use image node_id 3 for calling the ChrFScorer obj's underlying member method code with example usage: obj.score(order) and returns: self