code: def __init__(self):
      self.metric = datasets.load_metric("squad")
  
file_path: textflint/textflint/input/model/metrics/metrics.py
imports: import torch
  import datasets
  from sklearn.metrics import accuracy_score, precision_score, recall_score, f1_score
label_desc: Use image node_id 1 to create a new SQuADMetric object from inherited base classes: object with example: obj = SQuADMetric()