def _has_group_by_arrival_time(cls): return has_group_by_arrival_time(cls._meta.app_config.name)
def _has_group_by_arrival_time(cls): return has_group_by_arrival_time(cls._meta.app_config.name)
def _has_group_by_arrival_time(self): from otree.common_internal import has_group_by_arrival_time return has_group_by_arrival_time(self._meta.app_config.name)