docstr: 重置为0
docstr_tok: ["\u91cd\u7f6e\u4e3a0"]
code: def reset(self):
      """
      重置为0
      """
      self.y_true = np.empty(0)
      self.y_pred = np.empty(0)
  
file_path: DeepKE/src/deepke/attribution_extraction/standard/tools/metrics.py
imports: import torch
  import numpy
  from abc import ABCMeta, abstractmethod
  from sklearn.metrics import precision_recall_fscore_support
label_desc: Use image node_id 2 for calling the PRMetric obj's underlying member method code with example usage: obj.reset() without return types