Using demucs main

app.py

@@ -7,7 +7,8 @@ import spaces
 def inference(audio):
   os.makedirs("out", exist_ok=True)
   write('test.wav', audio[0], audio[1])
-  os.system("python3 -m demucs.separate -n htdemucs --two-stems=vocals test.wav -o out")
+  #os.system("python3 -m demucs.separate -n htdemucs --two-stems=vocals test.wav -o out")
+  demucs.separate.main(["--mp3", "--two-stems", "vocals", "-n", "mdx_extra", "track with test.mp3"])
   return "./out/htdemucs/test/vocals.wav","./out/htdemucs/test/no_vocals.wav"
     
 title = "Demucs Music Source Separation (v4)"