Update app.py

app.py

@@ -2,8 +2,9 @@ import os
 import streamlit as st
 import openai
 import pandas as pd
-from uuid import uuid4
 import time
+from typing import List, Tuple  # Add Tuple import here
+from uuid import uuid4
 
 # 🔑 Set the OpenAI API key from an environment variable
 openai.api_key = os.getenv("OPENAI_API_KEY")