Update app.py

app.py

@@ -1,4 +1,5 @@
 import streamlit as st
+import os
 from transformers import pipeline
 
 import requests
@@ -9,6 +10,8 @@ def query(payload, model_id, api_token):
 	response = requests.post(API_URL, headers=headers, json=payload)
 	return response.json()
 
+
+api_token = os.getenv("api_token")
 st.header("Ways to Improve Your Conversational Agents using 🤗 Hugging Face")
 
 st.write("There are many ways to improve your conversational agents using language models. In this blog post, I will walk you through a couple of tricks that will improve your conversational agent. 👾")