{ pkgs ? import <nixpkgs> { }, lint ? false }:
pkgs.python3Packages.callPackage
({ lib, buildPythonPackage, nix, git, autopep8, mypy, pylint, }:
  buildPythonPackage rec {
    pname = "pinch";
    version = "1.3";
    src = lib.cleanSource ./.;
    checkInputs = [ nix git mypy ] ++ lib.optionals lint [ autopep8 pylint ];
    doCheck = true;
    checkPhase = "./test.sh";
  }) { }