Update server.py

server.py

@@ -6,6 +6,9 @@ from flask import Flask, request, jsonify, redirect, session, render_template_st
 from flask_limiter import Limiter
 from flask_limiter.util import get_remote_address
 
+limiter = Limiter(key_func=get_remote_address)
+limiter.init_app(app)
+
 # Environment variables
 OTP_API_KEY = os.getenv("OTP_API_KEY", "default-api-key")
 ADMIN_USER = os.getenv("ADMIN_USER", "admin")