class_docstr: yahoo answer data class for cls task.
code: def download(self) -> bool:
      url = "https://s3.amazonaws.com/fast-ai-nlp/yahoo_answers_csv.tgz"
      try:
          wget.download(url, self.download_dir)
      except Exception as e:
          logging.warning(repr(e))
          return False
      return True
  
file_path: delta/delta/data/datasets/yahoo_answer.py
imports: import wget
  import os
  import traceback
  import csv
  from absl import logging
  from delta.data.datasets.base_dataset import BaseDataSet
  from delta.utils.register import registers
  from delta.data.datasets.utils import split_train_dev
label_desc: Use image node_id 2 for calling the YahooAnswer obj's underlying member method code with example usage: obj.download() and returns: True, False