# and other types, but I'm not even sure it's a good idea to support it as a first
    # class "feature"
    assert is_uploadfile_sequence_annotation(Union[list[str], list[UploadFile]])


def test_serialize_sequence_value_with_optional_list():
    """Test that serialize_sequence_value handles optional lists correctly."""
    from fastapi._compat import v2

    field_info = FieldInfo(annotation=Union[list[str], None])