anchor.diff:  { lib
   , buildPythonPackage
   , fetchFromGitHub
  -, fetchpatch
   , ifaddr
   , lxml
   , poetry-core
  
positive.code: 
  buildPythonPackage rec {
    pname = "pywemo";
    version = "0.6.4";
    format = "pyproject";
    disabled = pythonOlder "3.7";
  
  
negative.code:     owner = pname;
      repo = pname;
      rev = version;
      sha256 = "sha256-8nLzNEle5eR5qc/tC1CX+Kh3WkPuKyy9VDMiAVbOykA=";
    };
  
    nativeBuildInputs = [
      poetry-core
    ];
  
    propagatedBuildInputs = [
      ifaddr
  