[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/17b907a : SUCCESS in 1m 24s - periodic-sahara-python26-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python26-juno/0058... : FAILURE in 1m 33s - periodic-sahara-python27-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python27-juno/43a9... : FAILURE in 1m 09s