Update app.py

app.py

@@ -237,14 +237,16 @@ with gr.Blocks(css=css) as demo:
 
   run_btn.click(hide_post_gen_info, outputs=[post_gen_info], queue=False).then(merge_and_run,
                 inputs=[prompt, negative_prompt, shuffled_items, lora_1_scale, lora_2_scale, seed],
-                outputs=[output_image, post_gen_info, last_used_seed, thumbs_up, thumbs_up_clicked, thumbs_down, thumbs_down_clicked])
+                outputs=[output_image, post_gen_info, last_used_seed, thumbs_up, thumbs_up_clicked, thumbs_down, thumbs_down_clicked],
+                concurrency_limit=2)
   prompt.submit(hide_post_gen_info, outputs=[post_gen_info], queue=False).then(merge_and_run,
                 inputs=[prompt, negative_prompt, shuffled_items, lora_1_scale, lora_2_scale, seed],
-                outputs=[output_image, post_gen_info, last_used_seed, thumbs_up, thumbs_up_clicked, thumbs_down, thumbs_down_clicked])
+                outputs=[output_image, post_gen_info, last_used_seed, thumbs_up, thumbs_up_clicked, thumbs_down, thumbs_down_clicked],
+                concurrency_limit=2)
   
-  thumbs_up.click(save_preferences, inputs=[lora_1_id, lora_1_scale, lora_2_id, lora_2_scale, prompt, output_image, gr.State("up"), last_used_seed], outputs=[thumbs_up, thumbs_up_clicked, thumbs_down])
-  thumbs_down.click(save_preferences, inputs=[lora_1_id, lora_1_scale, lora_2_id, lora_2_scale, prompt, output_image, gr.State("down"), last_used_seed], outputs=[thumbs_down, thumbs_down_clicked, thumbs_up])
+  thumbs_up.click(save_preferences, inputs=[lora_1_id, lora_1_scale, lora_2_id, lora_2_scale, prompt, output_image, gr.State("up"), last_used_seed], outputs=[thumbs_up, thumbs_up_clicked, thumbs_down], queue=False)
+  thumbs_down.click(save_preferences, inputs=[lora_1_id, lora_1_scale, lora_2_id, lora_2_scale, prompt, output_image, gr.State("down"), last_used_seed], outputs=[thumbs_down, thumbs_down_clicked, thumbs_up], queue=False)
   share_button.click(None, [], [], js=share_js)
 
-demo.queue(concurrency_count=2)
+demo.queue()
 demo.launch()