class_docstr: En-de translation trained on Paracrawl (bicleaner corpus).
class_docstr_tok: ["En-de","translation","trained","on","Paracrawl","(","bicleaner","corpus",")","."]
docstr: Allow subclasses to add training datasets.
docstr_tok: ["Allow","subclasses","to","add","training","datasets","."]
code: def additional_training_datasets(self):
      """Allow subclasses to add training datasets."""
      return []
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  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 2 for calling the TranslateEndePc32k obj's underlying member method code with example usage: obj.additional_training_datasets() and returns: list