docs: def lookup(
          db,
          aid: int,
          fields: FieldsParam = ALL,
          episode_fields: FieldsParam = (),
  ) -> Anime:
      """Look up information for a single anime.
  
      :param fields: anime fields to get.  If ``None``, get all fields.
      :param episode_fields: episode fields to get.
          If ``None``, get all fields.  If empty, don't get episodes.
  
      """
      return next(select(
          db,
          'aid=?',
          (aid,),
          fields=fields,
          episode_fields=episode_fields,
      ))