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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c1c84282a94149298cffb83e927ad5b7 : SUCCESS in 8m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d33d580955ac450086535d94d463016e : SUCCESS in 9m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f9e4bbbb4ee94058a9bb052f03d2f02a : SUCCESS in 9m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fc026f1aa8d445adb3f1c2f645b202c4 : FAILURE in 9m 52s