Change audio output type from "file" to "filepath" in the gr.Interface function.

app.py

@@ -93,7 +93,7 @@ examples=[['This paper describes ESPnet2-TTS, an end-to-end text-to-speech (E2E-
 gr.Interface(
     inference, 
     [gr.inputs.Textbox(label="input text",lines=10),gr.inputs.Radio(choices=["english", "chinese", "japanese"], type="value", default="english", label="language")], 
-    gr.outputs.Audio(type="file", label="Output"),
+    gr.outputs.Audio(type="filepath", label="Output"),
     title=title,
     description=description,
     article=article,