class_docstr: Transformer model for machine translation.
class_docstr_tok: ["Transformer","model","for","machine","translation","."]
code: def forward(self, src_words: paddle.Tensor):
      return self.transformer(src_words)
  
file_path: PaddleHub/modules/text/machine_translation/transformer/en-de/module.py
imports: import os
  from typing import List
  import paddle
  import paddle.nn
  from paddlehub.env import MODULE_HOME
  from paddlehub.module.module import moduleinfo, serving
  import paddlenlp
  from paddlenlp.data import Pad, Vocab
  from paddlenlp.transformers import InferTransformerModel, position_encoding_init
  from transformer_en_de.utils import MTTokenizer, post_process_seq
label_desc: Use image node_id 2 for calling the MTTransformer obj's underlying member method code with example usage: obj.forward(src_words) and returns: self