anchor.diff:      owner = "SigmaHQ";
       repo = "pySigma";
       rev = "v${version}";
  -    hash = "sha256-V/E2rZqVrk0kIvk+hPhNcAifhMM/rN3mk3pB+CGd43w=";
  +    hash = "sha256-egyzeniid2PZZQ6hsd44W+YURI8uGaXvDMuhNIXUqO0=";
     };
   
     nativeBuildInputs = [
  
positive.code:     pytestCheckHook
    ];
  
    patches = [
      # Switch to poetry-core, https://github.com/SigmaHQ/pySigma/pull/31
      (fetchpatch {
        name = "switch-to-poetry-core.patch";
        url = "https://github.com/SigmaHQ/pySigma/commit/b7a852d18852007da90c2ec35bff347c97b36f07.patch";
        sha256 = "sha256-zgg8Bsc37W2uuQluFpIZT4jHCQaitY2ZgS93Wk6Hxt0=";
      })
    ];
  
    postPatch = ''
      # https://github.com/SigmaHQ/pySigma/issues/32
      # https://github.com/SigmaHQ/pySigma/issues/33
      substituteInPlace pyproject.toml \
        --replace 'pyparsing = "^2.4.7"' 'pyparsing = "*"' \
        --replace 'pyyaml = "^5.3.1"' 'pyyaml = "*"'
    '';
  
    pythonImportsCheck = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "pysigma";
    version = "0.4.1";
    format = "pyproject";
  
    disabled = pythonOlder "3.8";
  