anchor.diff:    ];
   
     meta = with lib; {
  -    description = "py.test xdist plugin for distributed testing and loop-on-failing modes";
  +    description = "Pytest xdist plugin for distributed testing and loop-on-failing modes";
       homepage = "https://github.com/pytest-dev/pytest-xdist";
       license = licenses.mit;
       maintainers = with maintainers; [ dotlambda ];
  
positive.code: { lib
  , buildPythonPackage
  , fetchPypi
  , isPy27
  , setuptools-scm
  , pytestCheckHook
  , filelock
  
negative.code: 
  buildPythonPackage rec {
    pname = "pytest-xdist";
    version = "2.3.0";
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "e8ecde2f85d88fbcadb7d28cb33da0fa29bca5cf7d5967fa89fc0e97e5299ea5";
    };
  
    nativeBuildInputs = [ setuptools-scm ];
  