Hi, there's a new bug again. Jagex added Artio, Calvar'ion and Spindel to the hiscores. Here is the updated self.__bosses list:
self.__bosses = [
"rifts_closed",
"abyssal_sire",
"alchemical_hydra",
"artio"
"barrows_chests",
"bryophyta",
"callisto",
"calvar'ion",
"cerberus",
"chambers_of_xeric",
"chambers_of_xeric_challenge",
"chaos_elemental",
"chaos_fanatic",
"commander_zilyana",
"corporeal_beast",
"crazy_archaeologist",
"dagannoth_prime",
"dagannoth_rex",
"dagannoth_supreme",
"deranged_archaeologist",
"general_graardor",
"giant_mole",
"grotesque_guardians",
"hesporti",
"kalphite_queen",
"king_black_dragon",
"kraken",
"kreearra",
"kril_tsutsaroth",
"mimic",
"nex",
"nightmare",
"phosanis_nightmare",
"obor",
"phantom_muspah",
"sarachnis",
"scorpia",
"skotizo",
"spindel",
"tempoross",
"gauntlet",
"corrupted_gauntlet",
"theatre_of_blood",
"theatre_of_blood_hard",
"thermonuclear_smoke_devil",
"tombs_of_amascut",
"tombs_of_amascut_expert",
"zuk",
"jad",
"venenatis",
"vetion",
"vorkath",
"wintertodt",
"zalcano",
"zulrah"
]