Update app.py

app.py

@@ -1,6 +1,8 @@
+import os
+import streamlit as st
 from huggingface_hub import InferenceClient
 
-client = InferenceClient(api_key="hf_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
+client = InferenceClient(api_key=os.environ['HF_KEY'])
 
 messages = [
 	{