Update app.py

app.py

@@ -471,7 +471,7 @@ def signal_handler(signum, frame):
     cleanup()
     sys.exit(0)
 
-if __name__ == "__main__":
+if __name__ == "__app__":
     # Register cleanup handlers
     atexit.register(cleanup)
     signal.signal(signal.SIGINT, signal_handler)