anchor.diff:    meta = {
       description = "An audio library based on libsndfile, CFFI and NumPy";
       license = lib.licenses.bsd3;
  -    homepage = "https://github.com/bastibe/PySoundFile";
  +    homepage = "https://github.com/bastibe/python-soundfile";
       maintainers = with lib.maintainers; [ fridh ];
     };
  -
  -  postPatch = ''
  -    substituteInPlace soundfile.py --replace "_find_library('sndfile')" "'${libsndfile.out}/lib/libsndfile${stdenv.hostPlatform.extensions.sharedLibrary}'"
  -  '';
  -
  -  # https://github.com/bastibe/PySoundFile/issues/157
  -  disabled = isPyPy ||  stdenv.isi686;
  -
   }
  
positive.code:     })
    ];
  
    checkInputs = [ pytest ];
    propagatedBuildInputs = [ numpy libsndfile cffi ];
    propagatedNativeBuildInputs = [ cffi ];
  
negative.code: 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";
  