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

Build failed. - periodic-heat-docs-havana http://logs.openstack.org/periodic-stable/periodic-heat-docs-havana/aa3bbd9 : FAILURE in 4m 02s - periodic-heat-python26-havana http://logs.openstack.org/periodic-stable/periodic-heat-python26-havana/e266... : SUCCESS in 4m 57s - periodic-heat-python27-havana http://logs.openstack.org/periodic-stable/periodic-heat-python27-havana/9c05... : SUCCESS in 4m 46s