{ lib , buildPythonPackage , fetchPypi , flit-core , pretend , pytestCheckHook , pythonOlder }: let packaging = buildPythonPackage rec { pname = "packaging"; version = "23.1"; format = "pyproject"; disabled = pythonOlder "3.7"; src = fetchPypi { inherit pname version; hash = "sha256-o5KYDSts/6ZEQxiYvlSwBFFRMZ0efsNPDP7Uh2fdM08="; }; nativeBuildInputs = [ flit-core ]; nativeCheckInputs = [ pytestCheckHook pretend ]; # Prevent circular dependency with pytest doCheck = false; pythonImportsCheck = [ "packaging" ]; passthru.tests = packaging.overridePythonAttrs (_: { doCheck = true; }); meta = with lib; { description = "Core utilities for Python packages"; homepage = "https://github.com/pypa/packaging"; license = with licenses; [ bsd2 asl20 ]; maintainers = with maintainers; [ bennofs ]; }; }; in packaging