# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
from __future__ import annotations

import pytest

import sisl.typing as st

pytestmark = pytest.mark.typing


def test_argument():
    def func(a: st.AtomsIndex):
        str(a)
