Update app.py

app.py

@@ -10,8 +10,9 @@ Role and backstory was created using prompt generator role from awesome gpt prom
 
 import os
 import streamlit as st
-from crewai import Agent, Task, Crew, Process,ChatOpenAI
+from crewai import Agent, Task, Crew, Process
 from langchain.tools import DuckDuckGoSearchRun
+from langchain_openai import ChatOpenAI
 
 
 # set page title