History v2

app.py

@@ -337,6 +337,7 @@ with gr.Blocks(css="style.css") as demo:
             upscale_by,
         ],
         outputs=[output_image, output_text, history],
+        concurrency_limit=1
     )
 
     # Add a function to update the history display
@@ -360,5 +361,4 @@ with gr.Blocks(css="style.css") as demo:
     # Connect the update_history function to the history component
     history.change(update_history, inputs=[history], outputs=[history])
 
-demo.queue(concurrency_count=1, max_size=20)
-demo.launch(debug=True)
+demo.launch(debug=True, max_threads=20)