[Openstack-stable-maint] Stable check of openstack/sahara failed

Build failed.

- periodic-sahara-docs-juno http://logs.openstack.org/periodic-stable/periodic-sahara-docs-juno/e1999f7 : FAILURE in 34s - periodic-sahara-python26-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python26-juno/8e34... : FAILURE in 33s - periodic-sahara-python27-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python27-juno/49b1... : FAILURE in 29s