Update app.py

app.py

@@ -1,6 +1,6 @@
 import streamlit as st
 import os
-#from langchain_groq import ChatGroq
+from langchain_groq import ChatGroq
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.chains.combine_documents import create_stuff_documents_chain
 from langchain_core.prompts import ChatPromptTemplate