Update app.py

app.py

@@ -290,7 +290,7 @@ total_pages = (total_videos + videos_per_page - 1) // videos_per_page
 with gr.Blocks(css=css)  as app:
     gr.Markdown(description_html)
     gr.Markdown(js)
-    page_num = gr.Variable(value=1)
+    page_num = gr.State(value=1)