Update app.py

app.py

@@ -140,4 +140,4 @@ if __name__ == '__main__':
                     svc_submit.click(svc_fn, [svc_input, vc_transform, auto_f0, f0_predictor], vc_output)
                     tts_submit.click(tts_fn, [tts_input, gender, tts_rate, vc_transform, auto_f0, f0_predictor],
                                      vc_output)
-        app.queue(concurrency_count=1, api_open=args.api).launch(share=args.share)
+        app.queue(api_open=args.api).launch(share=args.share)