Update app.py

app.py

@@ -1,5 +1,5 @@
 import streamlit as st
-from langchain_openai import OpenAI
+from langchain.llms import OpenAI
 from dotenv import load_dotenv
 load_dotenv()
 import os
@@ -8,7 +8,7 @@ openai_api_key = os.environ["OPENAI_API_KEY"]
 
 def get_openai_response(question):
     llm = OpenAI(openai_api_key=openai_api_key,temperature=0.6)
-    response = llm.invoke(question)
+    response = llm(question)
     return response
 
 st.set_page_config(page_title="Q&A Bot", page_icon="🤖", layout="wide")