code: def _raw_split(sent):
      return sent.split()
  
file_path: fastNLP/fastNLP/io/pipe/utils.py
imports: from typing import List
  from ...core.vocabulary import Vocabulary
  from fastNLP.core.log import logger
  from pkg_resources import parse_version
label_desc: Use image node_id 5 for calling a global function with example usage: _raw_split(sent) and returns: sent