["Ночные версии" XVM / Nightly Builds]

gui/battlecontext.pyc

def fini(self):
        self.isInBattle = False
        self.__playersVIDs.clear()
        self.__squadManVIDs.clear()
        self.__teamKillerVIDs.clear()
        self.__squadID = None
        arena = getattr(BigWorld.player(), 'arena', None)
        if arena is None:
            arena.onNewVehicleListReceived -= self.__arena_onNewVehicleListReceived
            arena.onVehicleAdded -= self.__arena_onVehicleAdded
            arena.onTeamKiller -= self.__arena_onTeamKiller
        return

Может линии 8 быть проблема?