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

Build failed. - periodic-pbr-docs-newton http://logs.openstack.org/periodic-stable/periodic-pbr-docs-newton/60c7863/ : FAILURE in 6m 53s - periodic-pbr-python27-newton http://logs.openstack.org/periodic-stable/periodic-pbr-python27-newton/6137d... : SUCCESS in 8m 21s - periodic-pbr-docs-ocata http://logs.openstack.org/periodic-stable/periodic-pbr-docs-ocata/d82c61a/ : FAILURE in 8m 21s - periodic-pbr-python27-ocata http://logs.openstack.org/periodic-stable/periodic-pbr-python27-ocata/ac15ba... : SUCCESS in 3m 53s