Update app.py

app.py

@@ -116,4 +116,5 @@ upload_interface = gr.Interface(
 
 demo = gr.TabbedInterface([microphone_interface, upload_interface], ["Microphone", "Upload File"])
 
-demo.launch(enable_queue=True)
+demo.queue(max_size=5, default_concurrency_limit=4)
+demo.launch()