Update app.py

app.py

@@ -1,8 +1,9 @@
 import streamlit as st
 import openai
 
-# Set up OpenAI API
-openai.api_key = "OPENAI_API_KEY"
+import os
+
+openai.api_key = os.getenv("OPENAI_API_KEY")
 
 # KIITEC content
 KIITEC_CONTENT = """