Update app.py

app.py

@@ -262,9 +262,8 @@ iface = gr.Interface(fn=prompt_to_layout, inputs=[textbox, creative_slider],
                      outputs=[generated],
                      css=custom_css,
                      theme="default",
-                     allow_flagging=False,
+                     allow_flagging='never',
                      allow_screenshot=False,
-                     thumbnail="thumbnail_gradio.PNG",
-                     enable_queue=True)
+                     thumbnail="thumbnail_gradio.PNG")
 
-iface.launch()
+iface.launch(enable_queue=True)