Update app.py

app.py

@@ -975,8 +975,8 @@ with gr.Blocks(css=css, js=js) as demo:
                   }
                 }
                 pts_a[i] = parseInt((avg / div - 1) / 2) * 2 + 1;
-                document.getElementById(\"chart\").childNodes[i].style.height = pts_a[i] + 'px';
-                document.getElementById(\"chart\").childNodes[i].style.marginTop = (64-pts_a[i])/2 + 'px';
+                document.getElementById(\"chart\").childNodes[i].style.height = pts_a[i] + \"px\";
+                document.getElementById(\"chart\").childNodes[i].style.marginTop = (64-pts_a[i])/2 + \"px\";
               }
               document.getElementById(\"blur_in\").getElementsByTagName(\"textarea\")[0].value = pts_a.join(\" \");