Update app.py

app.py

@@ -86,7 +86,7 @@ popup_js = """
 
     function addToCart(name) {
         google.colab.kernel.invokeFunction('notebook.add_to_cart', [name], {});
-        closePopup();
+        closePopup(); // Automatically close the popup
     }
 </script>
 """
@@ -138,4 +138,7 @@ with gr.Blocks() as demo:
                 outputs=cart_display
             )
 
+# Register the backend function for JavaScript integration
+demo.add_to_cart = add_to_cart
+
 demo.launch()