Remove python 2.7-ism.
Remove python 2.7-ism.

rackerlabs/kazoo,jacksontj/kazoo,bsanders/kazoo,pombredanne/kazoo,bsanders/kazoo,kormat/kazoo,kormat/kazoo,AlexanderplUs/kazoo,python-zk/kazoo,rgs1/kazoo,tempbottle/kazoo,rackerlabs/kazoo,python-zk/kazoo,AlexanderplUs/kazoo,jacksontj/kazoo,harlowja/kazoo,max0d41/kazoo,Asana/kazoo,rockerbox/kazoo,max0d41/kazoo,tempbottle/kazoo,harlowja/kazoo,rgs1/kazoo,rockerbox/kazoo,pombredanne/kazoo