Update app.py

app.py

@@ -322,5 +322,5 @@ with gr.Blocks(css=css) as block_with_history:
     with gr.Tab("Past generations"):
         user_history.render()
 
-block_with_history.queue(concurrency_count=4, max_size=10).launch()
+block_with_history.queue(concurrency_count=16, max_size=10).launch()
 #block_with_history.launch(server_name="0.0.0.0")