class_docstr: MSCOCO, character level.
code: def is_character_level(self):
      return True
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import io
  import json
  import os
  import random
  import zipfile
  from tensor2tensor.data_generators import generator_utils
  from tensor2tensor.data_generators import image_utils
  from tensor2tensor.data_generators import imagenet
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.data_generators import translate_ende
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the ImageMsCocoCharacters obj's underlying member method code with example usage: obj.is_character_level() and returns: True