class_docstr: Uses NLTK's PorterStemmer to stem words.
code: def __init__(self):
      self.stemmer = NltkPorterStemmer()
  
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 to create a new PorterStemmer object from inherited base classes: WordStemmer with example: obj = PorterStemmer()