Update app.py

app.py

@@ -455,10 +455,10 @@ upload_doc = st.file_uploader(
 )
 
 if plain_text:
-    None, clean_text = clean_text(plain_text,plain_text=True)
+    _, clean_text = clean_text(plain_text,plain_text=True)
     
 elif upload_doc:
-    None, clean_text = clean_text(plain_text,doc=True)
+   _, clean_text = clean_text(plain_text,doc=True)
     
 summarize = st.button("Summarize")