code: def fetch_list(self) -> List[str]:
      fetch_list = [output.name for output in self.outputs] + [
          self.seq_len.name
      ]
      return fetch_list
  
file_path: PaddleHub/paddlehub/compat/task/transformer_emb_task.py
imports: from typing import Generic, List
  import paddle
  import numpy
  from paddlehub.compat.task.config import RunConfig
  from paddlehub.compat.task.base_task import BaseTask
  from paddlehub.compat.task.task_utils import RunState
label_desc: Use image node_id 5 for calling the TransformerEmbeddingTask obj's underlying member method code with example usage: obj.fetch_list() and returns: fetch_list