change output type

app.py

@@ -16,7 +16,7 @@ article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2112.093
 gr.Interface(
     inference,
     gr.inputs.File(type="file", label="Input"),
-    [gr.outputs.Audio(label="Output")],
+    [gr.outputs.Audio(type="numpy", label="Output")],
     article=article,
     enable_queue=True
     ).launch(debug=True)