class_docstr: Does not stem words; it's a no-op.  This is the default word stemmer.
code: def stem_word(self, word):
      return word
  
file_path: magnitude/pymagnitude/third_party/allennlp/data/tokenizers/word_stemmer.py
imports: from __future__ import absolute_import
  from nltk.stem import PorterStemmer
  from allennlp.common import Registrable
  from allennlp.data.tokenizers.token import Token
label_desc: Use image node_id 1 for calling the PassThroughWordStemmer obj's underlying member method code with example usage: obj.stem_word(word) and returns: word