t

main.py

@@ -15,6 +15,7 @@ function load()
 	    maxZoom: 19,
 	    attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
 	}).addTo(map);
+	alert('loading...');
 }
 setTimeout(load, 5000);
 """