def filter(self, table, roles, filter_string):
        """Naive case-insensitive search."""
        q = filter_string.lower()
        return [role for role in roles
                if role.name.lower() in q]
dataset/ETHPy150Open CiscoSystems/avos/openstack_dashboard/dashboards/identity/roles/tables.py/RoleFilterAction.filter/swapped operands of `in`