Update app.py

app.py

@@ -60,11 +60,13 @@ function refresh() {
         window.location.href = url.href;
     }
 
-    (function () {
-        $(document).ready(function(){
-            $('.scroll').css('overflow', 'scroll');
-        });
-    })(jQuery);
+    $(window).on("load", function() {
+        var gallerys = document.getElementsByClassName("scroll");
+        for (var i = 0; i < box.length; i++) {
+          gallerys[i].style.overflow = "scroll";
+        }
+        console.log('updated scroll')
+    }
 }
 """