def test_cant_use_normal_tuples():
    with pytest.raises(RestrictedTypeError):

        @task
        def t1(a: str) -> tuple:
            return (a, 3)
def test_cant_use_normal_tuples():
    with pytest.raises(RestrictedTypeError):

        @task
        def t1(a: str) -> tuple:
            return (a, 3)