Feature extraction and vectorizer three sentences

@@ -76,7 +76,7 @@ if __name__ == "__main__":
         vectorizer = CountVectorizer(ngram_range=(1, 1))
     else:
         # Binary vectorizer
-        vectorizer = TfidfVectorizer(ngram_range=(1, 1), norm=None)
+        vectorizer = TfidfVectorizer(ngram_range=(1, 1))
 
     matrix = csr_matrix(vectorizer.fit_transform(documents), dtype='double')
     print('   matrix.shape: ', matrix.shape)