Update app.py

app.py

@@ -1,6 +1,7 @@
 import streamlit as st
 import requests
 import json
+import os
 
 # Streamlit app setup
 st.title('Llama Cloud API Document Extraction')
@@ -9,6 +10,8 @@ st.title('Llama Cloud API Document Extraction')
 # File Upload
 uploaded_file = st.file_uploader('Choose a PDF file', type='pdf')
 
+api_key = os.getenv('api_key')
+
 if uploaded_file is not None:
     # Upload file to Llama Cloud
     headers = {