Update app.py

app.py

@@ -2,7 +2,7 @@ import streamlit as st
 
 from streamlit_chat import message
 # from langchain.llms import OpenAI   #This import has been replaced by the below import please
-from langchain_openai import OpenAI
+from langchain_groq import ChatGroq
 from langchain.chains import ConversationChain
 from langchain.chains.conversation.memory import (ConversationBufferMemory, 
                                                   ConversationSummaryMemory,