class_docstr: mock data class for cls task.
class_docstr_tok: ["mock","data","class","for","cls","task","."]
code: def after_download(self) -> bool:
      try:
          for data_type in self.samples_dict:
              samples = self.samples_dict[data_type]
              text_vocab_list = self.text_vocab_dict[data_type]
  
              train_file_path = os.path.join(
                  self.data_dir,
                  self.train_file.replace("txt", "")
                  + data_type
                  + ".txt",
              )
              dev_file_path = os.path.join(
                  self.data_dir,
                  self.dev_file.replace("txt", "") + data_type + ".txt",
              )
              test_file_path = os.path.join(
                  self.data_dir,
                  self.test_file.replace("txt", "")
                  + data_type
                  + ".txt",
              )
              text_vocab_file = os.path.join(
                  self.data_dir,
                  self.text_vocab.replace("txt", "")
                  + data_type
                  + ".txt",
              )
  
              mock_data(
                  samples,
                  train_file_path,
                  dev_file_path,
                  test_file_path,
                  text_vocab_file,
                  text_vocab_list,
              )
  
      except Exception as e:
          logging.warning(traceback.format_exc())
          return False
      return True
  
file_path: delta/delta/data/datasets/mock_text_cls_data.py
imports: import os
  import traceback
  from absl import logging
  from delta.data.datasets.base_dataset import BaseDataSet
  from delta.data.datasets.utils import mock_data
  from delta.utils.register import registers
label_desc: Use image node_id 3 for calling the MockTextCLSData obj's underlying member method code with example usage: obj.after_download() and returns: True, False