Figures out the recipients

def get_recipients(self, **options):
        """
        Figures out the recipients
        """
        if options['recipients_from_setting']:
            return settings.TIMELINE_DIGEST_EMAIL_RECIPIENTS

        users = get_user_model()._default_manager.all()
        if options['staff']:
            users = users.filter(is_staff=True)
        elif not options['all']:
            users = users.filter(is_staff=True, is_superuser=True)
        return users.values_list(settings.TIMELINE_USER_EMAIL_FIELD, flat=True)