code: def _combine_mean(self, vecs):
      return average_vectors(vecs)
  
file_path: lightwood/lightwood/encoder/text/short.py
imports: from typing import List
  import torch
  from lightwood.encoder import BaseEncoder
  from lightwood.encoder.categorical import CategoricalAutoEncoder
  from type_infer.rule_based.helpers import tokenize_text
  from lightwood.helpers.torch import concat_vectors_and_pad, average_vectors
  import pandas
label_desc: Use image node_id 4 for calling the ShortTextEncoder obj's underlying member method code with example usage: obj._combine_mean(vecs) and returns: average_vectors