async def METHOD_NAME(self, title: str, content: str):
    res = await self.db.METHOD_NAME(title, content)
    if res:
        old_tag = self._tags[title]
        self._tags[title] = Tag(id=old_tag.id, title=title, content=content, author_id=old_tag.author_id, aliases=old_tag.aliases)
    return res