{
  pkgs ? import <nixpkgs> { },
  lint ? false,
}:
pkgs.python3Packages.callPackage (
  {
    lib,
    buildPythonPackage,
    mypy,
    autopep8,
    pylint,
    setuptools,
  }:
  buildPythonPackage rec {
    pname = "rfc1751";
    version = "1.0.0";
    src = lib.cleanSource ./.;
    pyproject = true;
    build-system = [ setuptools ];
    nativeCheckInputs = [
      mypy
    ]
    ++ lib.optionals lint [
      autopep8
      pylint
    ];
    doCheck = true;
    checkPhase = "./test.sh";
    meta = {
      description = "Command line tool for RFC1751 (aka S/Key) numbers-as-word-lists";
      homepage = "https://git.scottworley.com/rfc1751";
      license = lib.licenses.isc;
      maintainers = with lib.maintainers; [ chkno ];
    };
  }
) { }