code: def packed_length(self):
      return 256
  
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_encoder
  from tensor2tensor.data_generators import text_problems
  from tensor2tensor.data_generators import translate
  from tensor2tensor.utils import registry
label_desc: Use image node_id 1 for calling the TranslateEnesWmt32kPacked obj's underlying member method code with example usage: obj.packed_length() and returns: int