Update app.py

app.py

@@ -2,6 +2,12 @@ import gradio as gr
 import boto3
 import json
 import io
+import os
+
+region = os.getenv("region")
+sm_endpoint_name = os.getenv("sm_endpoint_name")
+access_key = os.getenv("access_key")
+secret_key = os.getenv("secret_key")
 
 # hyperparameters for llm
 parameters = {