code: def preprocess(self, data):
      ...
  
imports: import string
  import re
  from typing import Iterable
  from nlpaug.util import Method
  from nlpaug.util.text.tokenizer import Tokenizer
  from nlpaug import Augmenter
  from nlpaug.util import WarningException, WarningName, WarningCode, WarningMessage
label_desc: Use image node_id 14 for calling the WordAugmenter obj's underlying member method code with example usage: obj.preprocess(data) without return types