Update app.py

app.py

@@ -161,5 +161,5 @@ with gr.Blocks(title=title) as demo:
     clear.click(lambda: None, [], [output])
     data.click(lambda x: x, [data], [image, prompt])
 
-demo.queue(max_size=10)
+demo.queue(concurrency_count=1, max_size=10)
 demo.launch(share=False)