Add launch API

app.py

@@ -107,4 +107,4 @@ if __name__ == '__main__':
             with gr.Column():
                 vc_output = gr.Audio(label="Output Audio")
             vc_submit.click(run_inference, [vc_input, speaker], [vc_output])
-        app.queue(concurrency_count=1, api_open=args.api).launch(share=args.share)
+        app.queue(concurrency_count=1, api_open=True).launch(show_api=True, show_error=True, share=True)