anchor.diff:  
   buildPythonPackage rec {
     pname = "elkm1-lib";
  -  version = "1.0.0";
  +  version = "1.2.0";
     format = "pyproject";
   
     disabled = pythonOlder "3.6";
  
positive.code:     owner = "gwww";
      repo = "elkm1";
      rev = version;
      sha256 = "04xidix6l5d9rqfwp6cmj6wvais04nlvz5ynp0zwgyjp9sh2nhp6";
    };
  
    nativeBuildInputs = [
  
negative.code:     pytestCheckHook
    ];
  
    pythonImportsCheck = [ "elkm1_lib" ];
  
    meta = with lib; {
  