Update app.py

app.py

@@ -61,7 +61,7 @@ def inference(file_uploaded_in, file_uploaded_ref):
     args = set_up()
     
     inference_style_transfer = Mixing_Style_Transfer_Inference(args)
-    output_wav_path = inference_style_transfer.inference(None, None)
+    output_wav_path = inference_style_transfer.inference(file_uploaded_in, file_uploaded_ref)
     
     return output_wav_path