def _find_one_after_last_labeled_index(self):
        body_index = 0
        while self.bodies[body_index].segment_id in self.state.body_labels:
            body_index += 1
        return body_index
def test_regex_bad_pattern():
    """Regex error raised immediately when regex input parser is created."""
    assert_raises(re.error, inputs.regex, '[')