anchor.diff:      owner = "gwww";
       repo = "elkm1";
       rev = version;
  -    sha256 = "04xidix6l5d9rqfwp6cmj6wvais04nlvz5ynp0zwgyjp9sh2nhp6";
  +    hash = "sha256-+rFW7qFpay/ebUz9EEB8nn0kuqVtVmG5ZHOWG2bMPts=";
     };
   
     nativeBuildInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "elkm1-lib";
    version = "1.0.0";
    format = "pyproject";
  
    disabled = pythonOlder "3.6";
  
negative.code:     pytestCheckHook
    ];
  
    pythonImportsCheck = [ "elkm1_lib" ];
  
    meta = with lib; {
  