def yaml(self):
        return yaml.dump(self.serialized, default_flow_style=False,
                         encoding=None)
def items(self, section_name):
            if section_name != section:
                raise NoSectionError(section_name)
            return {
                'memcache_servers': memcache_servers,
                'memcache_serialization_support':
                memcache_serialization_support,
                'memcache_max_connections': memcache_max_connections,
            }