{ lib, buildPythonPackage, fetchFromGitHub, flit-core, packaging, pytestCheckHook, tomli, }: buildPythonPackage rec { pname = "dependency-groups"; version = "1.3.1"; pyproject = true; src = fetchFromGitHub { owner = "pypa"; repo = "dependency-groups"; tag = version; hash = "sha256-suuSx3zf0Y45FJdH8Cb6N7hcvPnzleREpHhtdiG2CLg="; }; build-system = [ flit-core ]; dependencies = [ packaging tomli ]; optional-dependencies = { cli = [ tomli ]; }; nativeCheckInputs = [ pytestCheckHook ]; pythonImportsCheck = [ "dependency_groups" ]; meta = { description = "A standalone implementation of PEP 735 Dependency Groups"; homepage = "https://github.com/pypa/dependency-groups"; changelog = "https://github.com/pypa/dependency-groups/blob/${src.tag}/CHANGELOG.rst"; license = lib.licenses.mit; maintainers = with lib.maintainers; [ hexa ]; }; }