<s> from eliot import Field , MessageType <EOL> CINDER_VOLUME = MessageType ( <EOL> u"<STR_LIT>" , <EOL> [ Field . for_types ( <EOL> u"<STR_LIT:id>" , [ bytes , unicode ] , <EOL> u"<STR_LIT>" <EOL> u"<STR_LIT>" , <EOL> ) ] , <EOL> ) </s>
