class_docstr: Translation with muli-lingual vocabulary.
code: def use_vocab_from_other_problem(self):
      return wiki_lm.LanguagemodelDeEnFrRoWiki64k()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import random
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_problems
  from tensor2tensor.data_generators import translate
  from tensor2tensor.data_generators import wiki_lm
  from tensor2tensor.utils import registry
label_desc: Use image node_id 1 for calling the TranslateEnroWmtMulti64k obj's underlying member method code with example usage: obj.use_vocab_from_other_problem() and returns: wiki_lm