code: def extract_hashtag(self, text):
      return self._hashtag_extract.tokenize(text)
  
imports: from sematch.utility import FileIO
  from nltk.stem import WordNetLemmatizer
  from nltk.corpus import wordnet
  import nltk
  from collections import Counter
  import itertools
  import string
  import re
label_desc: Use image node_id 2 for calling the HashtagMatch obj's underlying member method code with example usage: obj.extract_hashtag(text) and returns: self