{ lib, buildPythonPackage, fetchFromGitHub, flit-scm, pytestCheckHook, pythonAtLeast, pythonOlder, }: buildPythonPackage rec { pname = "exceptiongroup"; version = "1.2.1"; pyproject = true; disabled = pythonOlder "3.7"; src = fetchFromGitHub { owner = "agronholm"; repo = "exceptiongroup"; rev = "refs/tags/${version}"; hash = "sha256-87HmZsbsoV7QPHux50sYsFY2RaIc3627dH3WAwqXfQU="; }; nativeBuildInputs = [ flit-scm ]; nativeCheckInputs = [ pytestCheckHook ]; doCheck = pythonAtLeast "3.11"; # infinite recursion with pytest pythonImportsCheck = [ "exceptiongroup" ]; meta = with lib; { description = "Backport of PEP 654 (exception groups)"; homepage = "https://github.com/agronholm/exceptiongroup"; changelog = "https://github.com/agronholm/exceptiongroup/blob/${version}/CHANGES.rst"; license = with licenses; [ mit ]; maintainers = with maintainers; [ fab ]; }; }