anchor.diff:  { lib
   , buildPythonPackage
  -, isPy27
   , fetchPypi
   , setuptools-scm
  -, ansible-base
  +, ansible-compat
  +, ansible-core
   , enrich
   , flaky
   , pyyaml
   , rich
   , ruamel-yaml
  -, tenacity
   , wcmatch
   , yamllint
  +, pythonOlder
   , pytest-xdist
   , pytestCheckHook
   }:
   
   buildPythonPackage rec {
     pname = "ansible-lint";
  -  version = "5.3.2";
  -  disabled = isPy27;
  +  version = "6.0.2";
     format = "pyproject";
  +  disabled = pythonOlder "3.6";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "sha256-m6iG20xE5ZNgvI1mjwvq5hk8Ch/LuedhJwAMo6ztfCg=";
  +    sha256 = "sha256-tTm8ItE+beDMLiV1jh0osrwBVhpBSuN87aNwi1oqee0=";
     };
  +
  +  postPatch = ''
  +    # it is fine if lint tools are missing
  +    substituteInPlace conftest.py \
  +      --replace "sys.exit(1)" ""
  +  '';
   
     nativeBuildInputs = [
       setuptools-scm
     ];
   
     propagatedBuildInputs = [
  -    ansible-base
  +    ansible-compat
  +    ansible-core
       enrich
  -    flaky
       pyyaml
       rich
       ruamel-yaml
  -    tenacity
       wcmatch
       yamllint
     ];
   
  +  # tests can't be easily run without installing things from ansible-galaxy
  +  doCheck = false;
  +
     checkInputs = [
  +    flaky
       pytest-xdist
       pytestCheckHook
     ];
  
positive.code:   preCheck = ''
      # ansible wants to write to $HOME and crashes if it can't
      export HOME=$(mktemp -d)
      export PATH=$PATH:${lib.makeBinPath [ ansible-base ]}
  
      # create a working ansible-lint executable
      export PATH=$PATH:$PWD/src/ansiblelint
  
negative.code:     "test_discover_lintables_umlaut"
    ];
  
    makeWrapperArgs = [ "--prefix PATH : ${lib.makeBinPath [ ansible-core ]}" ];
  
    meta = with lib; {
      homepage = "https://github.com/ansible-community/ansible-lint";
  