code: def __init__(self, **kwargs):
      self.use_obj = BERTScore(
          min_bert_score=0.5,
          model_name="microsoft/deberta-large-mnli",
          num_layers=18,
      )
      self.original_candidates = []
      self.successful_candidates = []
      self.all_metrics = {}
  
imports: from textattack.attack_results import FailedAttackResult, SkippedAttackResult
  from textattack.constraints.semantics import BERTScore
  from textattack.metrics import Metric
label_desc: Use image node_id 1 to create a new BERTScoreMetric object from inherited base classes: Metric with example: obj = BERTScoreMetric()