anchor.diff:      owner = "XKNX";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-LJ7MmKCWx+n7caud0pN4+7f9H4XzwuAAn9u86X/FACo=";
  +    sha256 = "sha256-7g1uAkBGlNcmfjqGNH2MS+X26Pq1hTKQy9eLJVTqxhA=";
     };
   
     propagatedBuildInputs = [
  -    voluptuous
  +    cryptography
       netifaces
  -    pyyaml
     ];
   
     checkInputs = [
  
positive.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , netifaces
  , voluptuous
  , pyyaml
  
negative.code: 
  buildPythonPackage rec {
    pname = "xknx";
    version = "0.20.1";
    format = "setuptools";
  
    disabled = pythonOlder "3.8";
  