class_docstr: Base class for Wikisum problems.
class_docstr_tok: ["Base","class","for","Wikisum","problems","."]
code: def generate_data(self, data_dir, tmp_dir, task_id=-1):
      tf.logging.warn(
          "See wikisum/README.md for instructions to generate data."
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import json
  import math
  import os
  import re
  import string
  import tempfile
  import six
  from tensor2tensor.data_generators import generator_utils
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.data_generators import tokenizer
  from tensor2tensor.data_generators.wikisum import utils
  from tensor2tensor.layers import modalities
  from tensor2tensor.utils import metrics
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 9 for calling the WikisumBase obj's underlying member method code with example usage: obj.generate_data(data_dir, tmp_dir, task_id) without return types