Update app.py

app.py

@@ -1,13 +1,11 @@
 import gradio as gr
 jsf = """
-function refresh() {
-    const url = new URL(window.location);
-
-    if (url.searchParams.get('__theme') !== 'dark') {
-        url.searchParams.set('__theme', 'dark');
-        window.location.href = url.href;
-    }
-}
+window.addEventListener('load', function () {
+  gradioURL = window.location.href
+  if (!gradioURL.endsWith('?__theme=dark')) {
+    window.location.replace(gradioURL + '?__theme=dark');
+  }
+});
 """
 def update(name):
     return f"Welcome to Gradio, {name}!"