def get_keywords(self, pageText, count):
mytfidf = TFIDF()
tokenPageText = getTokenizedDocs([pageText])
token_bow = [mytfidf.doc2bow(doc) for doc in tokenPageText]
mytfidf.buildVocabIndex(token_bow)
selected = mytfidf.selectImportantWords_tf(count)
wordsList = mytfidf.index.keys()
selected_words = [wordsList[k[1]] for k in selected]
return selected_words
