anchor.diff:      rich
     ];
   
  -  postPatch = ''
  -    # halo is out-dated, https://github.com/benleb/surepy/pull/7
  -    substituteInPlace pyproject.toml --replace "^0.0.30" "^0.0.31"
  -  '';
  -
     # Project has no tests
     doCheck = false;
     pythonImportsCheck = [ "surepy" ];
  
positive.code: 
  buildPythonPackage rec {
    pname = "surepy";
    version = "0.5.0";
    format = "pyproject";
    disabled = pythonOlder "3.8";
  
  
negative.code:     owner = "benleb";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-XoYiZPBc9SybyKocui1HqSA+YPiPpbupJWMCfmQT5RU=";
    };
  
    nativeBuildInputs = [ poetry-core ];
  