Add queue

app.py

@@ -197,7 +197,7 @@ def main(gen_fn: Callable):
         ).then(fn=gen_fn, inputs=inputs, outputs=[output])
         btn.click(fn=gen_fn, inputs=inputs, outputs=[output])
         text.submit(fn=gen_fn, inputs=inputs, outputs=[output])
-    demo.launch(share=False)
+    demo.queue().launch(share=False)
 
 
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