{ lib, buildPythonPackage, fetchPypi }: buildPythonPackage rec { pname = "visitor"; version = "0.1.3"; format = "setuptools"; src = fetchPypi { inherit pname version; sha256 = "02j87v93c50gz68gbgclmbqjcwcr7g7zgvk7c6y4x1mnn81pjwrc"; }; meta = with lib; { homepage = "https://github.com/mbr/visitor"; description = "A tiny pythonic visitor implementation"; license = licenses.mit; maintainers = with maintainers; [ ]; }; }