def _unpack_titles(etree: ET.ElementTree) -> '<STR_LIT>':
for anime in etree.getroot():<EOL><INDENT>yield Titles(<EOL>aid=int(anime.get('<STR_LIT>')),<EOL>titles=tuple(unpack_anime_title(title) for title in anime),<EOL>)<EOL><DEDENT>
Unpack Titles from titles XML.