anchor.diff:      pytestCheckHook
     ];
   
  -  pythonImportsCheck = [ "license_expression" ];
  +  pythonImportsCheck = [
  +    "license_expression"
  +  ];
   
     meta = with lib; {
  -    description = "Utility library to parse, normalize and compare License expressions for Python";
  +    description = "Utility library to parse, normalize and compare License expressions";
       homepage = "https://github.com/nexB/license-expression";
       license = licenses.asl20;
       maintainers = with maintainers; [ fab ];
  
positive.code:     owner = "nexB";
      repo = "license-expression";
      rev = "v${version}";
      sha256 = "sha256-hwfYKKalo8WYFwPCsRRXNz+/F8/42PXA8jxbIQjJH/g=";
    };
  
    dontConfigure = true;
  
negative.code: 
  buildPythonPackage rec {
    pname = "license-expression";
    version = "30.0.0";
  
    disabled = pythonOlder "3.6";
  
  