[Openstack-stable-maint] Stable check of openstack/oslo.messaging for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/4900c6f4b07e4ef89f791f946cc6f3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3557eefebb224ee6b417206988666833 : SUCCESS in 4m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/058208cbdead4f9592da156cc08fecb8 : TIMED_OUT in 40m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2d1720faca324cb29b337aafef9e4e60 : SUCCESS in 5m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/19fedae15374480893be710e3cb44b21 : FAILURE in 5m 01s