Update app.py

app.py

@@ -1,4 +1,4 @@
-import os, dotenv
+import os
 import streamlit as st
 from langchain_groq import ChatGroq
 from langchain_core.prompts import ChatPromptTemplate
@@ -7,4 +7,3 @@ from langchain_community.tools import ArxivQueryRun, WikipediaQueryRun, DuckDuck
 from langchain.agents import create_react_agent
 from langchain.agents import AgentExecutor
 from langchain_community.callbacks.streamlit import StreamlitCallbackHandler
-dotenv.load_dotenv()