Updated openstack/openstack
Project: openstack/python-novaclient  055a18fcd8bb246ce5d60f1cf4d7cb4cd346841b
null
Remove py3kcompat

It's not used by novaclient anymore and isn't used by any other
openstack common code either.

Change-Id: I96ebf030d0a96436a8a75c6937c354003ee32c58
Closes-bug: 1280033