old_contents: from . import chunktagger, lemmatizer, postagger, stemmer, tokenizer
  
  
  class Summarizer(object):
      def __init__(self, text):
          self.text = text
  
      def execute(self):
          tokens = tokenizer.NLTKTokenizer(self.text).execute()
          stems = stemmer.Stemmer(tokens).execute()
          pos = postagger.PosTagger(tokens).execute()
          chunk = chunktagger.ChunkTagger().parse(pos)
  
          summary = zip(tokens, stems, pos, chunk)
          return summary
  
new_contents: from . import chunktagger, lemmatizer, postagger, stemmer, tokenizer
  
  
  class Summarizer(object):
      def __init__(self, text):
          self.text = text
  
      def execute(self):
          tokens = tokenizer.NLTKTokenizer(self.text).execute()
          stems = stemmer.Stemmer(tokens).execute()
          pos = postagger.PosTagger(tokens).execute()
          chunk = chunktagger.ChunkTagger().parse(pos)
  
          summary = zip(tokens, stems, pos, chunk)
          return [(t, s, p[1], c[1]) for (t, s, p, c) in summary]
  
subject: Fix bug that returned a zip object instead of list