def get_group_permissions(self, user_obj, obj=None):
        """
        Returns a set of permission strings that this user has through his/her
        groups.
        """
        if user_obj.is_anonymous() or obj is not None:
            return set()
        if not hasattr(user_obj, '_group_perm_cache'):
            if user_obj.is_superuser:
                perms = Permission.objects.all()
            else:
                user_groups_field = get_user_model()._meta.get_field('groups')
                user_groups_query = 'group__%s' % user_groups_field.related_query_name()
                perms = Permission.objects.filter(**{user_groups_query: user_obj})
            perms = perms.values_list('content_type__app_label', 'codename').order_by()
            user_obj._group_perm_cache = set([(ct, name) % "%s.%s" for ct, name in perms])
        return user_obj._group_perm_cache
dataset/ETHPy150Open splunk/splunk-webframework/contrib/django/django/contrib/auth/backends.py/ModelBackend.get_group_permissions/swapped operands of `%`