'Return the list of groups to put students into.  Returns [] if not
specified. Returns specified list even if is_cohorted and/or auto_cohort are
false.
Note: No longer used. See openedx.core.djangoapps.course_groups.models.CourseCohortSettings.'

@property
def auto_cohort_groups(self):

    if (self.cohort_config is None):
        return []
    else:
        return self.cohort_config.get('auto_cohort_groups', [])
