Update app.py

app.py

@@ -255,4 +255,4 @@ if __name__ == "__main__":
                                 outputs=[text_output, audio_output],
                                 fn=tts_fn,
                             )
-    app.queue(concurrency_count=3).launch()
+    app.queue(concurrency_count=3).launch(show_api=True)