anchor.diff:  buildPythonPackage rec {
     pname = "soundfile";
     version = "0.10.3.post1";
  +  # https://github.com/bastibe/python-soundfile/issues/157
  +  disabled = isPyPy || stdenv.isi686;
   
     src = fetchPypi {
       pname = "SoundFile";
  
positive.code:     })
    ];
  
    checkInputs = [ pytest ];
    propagatedBuildInputs = [ numpy libsndfile cffi ];
    propagatedNativeBuildInputs = [ cffi ];
  
negative.code:   meta = {
      description = "An audio library based on libsndfile, CFFI and NumPy";
      license = lib.licenses.bsd3;
      homepage = "https://github.com/bastibe/python-soundfile";
      maintainers = with lib.maintainers; [ fridh ];
    };
  }
  