Update app.py

app.py

@@ -522,7 +522,7 @@ def handle_component_value():
                 data['rating']
             )
         
-        elif data.get('action') == 'bookmark_message'):
+        elif data.get('action') == 'bookmark_message':
             chat_manager.bookmark_message(
                 data['session_id'], 
                 data['message_id'],