Update app.py

app.py

@@ -156,9 +156,12 @@ function observeImageChanges() {
 }
 
 // Start observing
-observeImageChanges();
 
-console.log("Yo");
+
+window.addEventListener('load', () => {
+    observeImageChanges();
+    console.log("Yo");
+});
     
 </script>
 """