Update app.py

app.py

@@ -174,7 +174,9 @@ with gr.Blocks(css=css) as demo:
     create_button.click(
         fn=generate_image,
         inputs=[prompt_input, style_radio, width_slider, height_slider, seed_slider],
-        outputs=[output_image]
+        outputs=[output_image],
+        queue=True,
+        concurrency=250
     )
 
 demo.queue(max_size=250).launch(show_api=False, share=False)