code: def tokenize(self, tokenizer):
      return TokenizedExample(
          guid=self.guid,
          text_a=tokenizer.tokenize(self.text_a),
          text_b=tokenizer.tokenize(self.text_b),
          label_id=PawsXTask.LABEL_TO_ID[self.label],
      )
  
imports: import numpy
  import torch
  from dataclasses import dataclass
  from typing import List
  from jiant.tasks.core import BaseExample, BaseTokenizedExample, BaseDataRow, BatchMixin, Task, TaskTypes
  from jiant.tasks.lib.templates.shared import double_sentence_featurize, labels_to_bimap
  from jiant.utils.python.io import read_file_lines
label_desc: Use image node_id 1 for calling the Example obj's underlying member method code with example usage: obj.tokenize(tokenizer) and returns: TokenizedExample