code: def whitespace_tokenize(text: str):
      """Runs basic whitespace cleaning and splitting on a piece of text."""
      text = text.strip()
      if not text:
          return []
      tokens = text.split()
      return tokens
  
file_path: PaddleHub/paddlehub/text/utils.py
imports: import unicodedata
  from collections import OrderedDict
label_desc: Use image node_id 2 for calling a global function with example usage: whitespace_tokenize(text) and returns: tokens, list