Update app.py

app.py

@@ -8,7 +8,7 @@ import streamlit as st
 #from langchain.llms import OpenAI
 
 #New import from langchain, which replaces the above
-from langchain.openai import OpenAI
+from langchain_openai import OpenAI
 
 #When deployed on huggingface spaces, this values has to be passed using Variables & Secrets setting, as shown in the video :)
 #import os