Update app.py

app.py

@@ -412,7 +412,7 @@ with block:
             # combine the two method lists, then call the original helper
             plot_button.click(
                 lambda bt, base_sel, user_sel, xm, ym, asp, ds, sm: generate_plot(
-                    bt,
+                    benchmark_type_map.get(bt, bt),
                     (base_sel or []) + (user_sel or []),   # merged method list
                     xm, ym, asp, ds, sm,
                 ),