def test_tuple_rich_repr() -> None:
    """
    Test that can use None as key to have tuple positional values.
    """

    class Foo:
        def __rich_repr__(self):
            yield None, (1,)

    assert pretty_repr(Foo()) == "Foo((1,))"

    Test that can use None as key to have tuple positional values.
    
tests/test_pretty.py