{ lib , buildPythonPackage , fetchFromGitHub , flit-core , packaging , pytestCheckHook , pythonOlder , pytz , simplejson }: buildPythonPackage rec { pname = "marshmallow"; version = "3.21.1"; pyproject = true; disabled = pythonOlder "3.8"; src = fetchFromGitHub { owner = "marshmallow-code"; repo = "marshmallow"; rev = "refs/tags/${version}"; hash = "sha256-KhXasYKooZRokRoFlWKOaQzSUe6tXDtUlrf65eGGUi8="; }; nativeBuildInputs = [ flit-core ]; propagatedBuildInputs = [ packaging ]; nativeCheckInputs = [ pytestCheckHook pytz simplejson ]; pythonImportsCheck = [ "marshmallow" ]; meta = with lib; { description = "Library for converting complex objects to and from simple Python datatypes"; homepage = "https://github.com/marshmallow-code/marshmallow"; changelog = "https://github.com/marshmallow-code/marshmallow/blob/${version}/CHANGELOG.rst"; license = licenses.mit; maintainers = with maintainers; [ cript0nauta ]; }; }