[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/6622a21/ : SUCCESS in 1m 39s - periodic-sahara-python26-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python26-juno/e6bb... : FAILURE in 1m 43s - periodic-sahara-python27-juno http://logs.openstack.org/periodic-stable/periodic-sahara-python27-juno/a3a2... : SUCCESS in 1m 51s