anchor.diff:      description = "PostgreSQL Languages AST and statements prettifier";
       changelog = "https://github.com/lelit/pglast/raw/v${version}/CHANGES.rst";
       license = licenses.gpl3Plus;
  -    maintainers = [ maintainers.marsam ];
  +    maintainers = with maintainers; [ marsam ];
     };
   }
  
positive.code: buildPythonPackage rec {
    pname = "pglast";
    version = "3.10";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-rkoCtcBe5LBTTpmd+cj6s80UWXyTpMk74FipyK0t5go=";
    };
  
    disabled = !isPy3k;
  
    # ModuleNotFoundError: No module named 'pkg_resources'
    propagatedBuildInputs = [ setuptools ];
  
    postPatch = ''
      substituteInPlace setup.cfg \
        --replace "--cov=pglast --cov-report term-missing" ""
    '';
  
    checkInputs = [ pytest ];
  
    # pytestCheckHook doesn't work
    # ImportError: cannot import name 'parse_sql' from 'pglast'
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , pythonOlder
  , setuptools
  , pytest
  }:
  