Update app.py

app.py

@@ -398,4 +398,5 @@ with gr.Blocks() as demo:
     accept_checkbox.change(fn=enable_inputs, inputs=[], outputs=[user_consent_block, main_block], queue=False)
 
     # demo.queue(concurrency_count=1, max_size=num_processes)
+    demo.queue(concurrency_count=1)
     demo.launch(share=False, show_api=False)