Fix pep8 job
Fix pep8 job

Recently merged commit [1] has passed gates somehow
but made all other commits to fail.

[1] I95a9aa7e071c470c21dc0fa009ba96a7c7439ce6

Change-Id: I232f69bdf4284f10e47cfc701d53244b4d489c3d

NetApp/manila,bswartz/manila,vponomaryov/manila,openstack/manila,openstack/manila,NetApp/manila,bswartz/manila,vponomaryov/manila