code: def _update_increasing(self, valid_stats, step):
      self.current_step_best = step
      for scorer in self.early_stopping_scorers:
          logger.info(
              "Model is improving {}: {:g} --> {:g}.".format(
                  scorer.name, scorer.best_score, scorer(valid_stats)
              )
          )
          # Update best score of each criteria
          scorer.update(valid_stats)
  
      # Reset tolerance
      self.current_tolerance = self.tolerance
      self.stalled_tolerance = self.tolerance
  
      # Update current status
      self.status = PatienceEnum.IMPROVING
  
imports: from enum import Enum
  from onmt.utils.logging import logger
label_desc: Use image node_id 4 for calling the EarlyStopping obj's underlying member method code with example usage: obj._update_increasing(valid_stats, step) without return types