Update app.py

app.py

@@ -3,10 +3,16 @@ DocuMind - Streamlit Frontend for HuggingFace Spaces
 Simplified version that works with existing FastAPI backend
 """
 
+"""
+DocuMind - Streamlit Frontend for HuggingFace Spaces
+Simplified version that works with existing FastAPI backend
+"""
+
 import streamlit as st
 import json
 import os
 import time
+import requests
 
 # ============================================================================
 # STREAMLIT CONFIG (Must be first)