Update app.py

app.py

@@ -110,4 +110,4 @@ with gr.Blocks() as demo:
         except Exception as e:
             yield 1000, 255*np.ones((64, 320, 3)), submit_btn.update(visible=True)
     submit_btn.click(fn=infer, inputs=inputs, outputs=outputs)
-demo.queue(concurrency_count=3, max_size=30).launch(enable_queue=True)
+demo.queue(concurrency_count=1, max_size=20).launch(enable_queue=True)