Update app.py

app.py

@@ -74,9 +74,12 @@ def remove_stopwords(sen):
 
 def keyphrase_generator(article_link, model_1, model_2, max_num_keywords):
   element=[]
+  cluster_list_final=[]
+  comb_list=[] 
+  comb=[]
+  silhouette_score_list=[]
   final_textrank_list=[]
   document=[]
-  cluster_list_final=[]
   text_doc=[]
   final_list=[]
   score_list=[]