Update app.py

app.py

@@ -1,17 +1,16 @@
 import streamlit as st
 import firebase_admin
 from firebase_admin import credentials, auth
-import json
-import os
-import smtplib
-from email.mime.text import MIMEText
-
 # Load Firebase credentials from Hugging Face Secrets
 firebase_creds = os.getenv("FIREBASE_CREDENTIALS")
 if firebase_creds:
     firebase_creds = json.loads(firebase_creds)
 else:
     st.error("Firebase credentials not found. Please check your secrets.")
+# Initialize Firebase (only once)
+if not firebase_admin._apps:
+    cred = credentials.Certificate(firebase_creds)  # Replace with your Firebase service account key
+    firebase_admin.initialize_app(cred)
 
 # Initialize session state
 if "logged_in" not in st.session_state: