Update app.py

app.py

@@ -379,8 +379,8 @@ with gr.Blocks(css=css) as demo:
                       pl_a[i] = parseInt(pl_a[i]) * 2 + 1;
                     }
                     document.getElementsByTagName(\"textarea\")[1].value = pl_a.join(\" \");
-                    var evt = document.createEvent('Event');
-                    evt.initEvent('input', true, false);
+                    var evt = document.createEvent(\"Event\");
+                    evt.initEvent(\"input\", true, false);
                     document.getElementsByTagName(\"textarea\")[1].dispatchEvent(evt);
                     this.style.borderBottom = \"1px dotted black\";
                   }