Update app.py

app.py

@@ -131,7 +131,7 @@ def chat_with_assistant(user_input, chat_history, bot_id, workspace_id):
             return assistant_content, bot_id, workspace_id
 
         # If we get a 403, it could be because the bot/workspace IDs are invalid/expired
-        elif response.status_code == 403:
+        elif response.status_code == 400:
             raise Exception("Invalid or expired bot ID.")
 
         # Other errors