[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/527422480ed7480b817bfb0a9e046a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7fdbf0b0e61b4a32873c78ee9a30652a : SUCCESS in 4m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a3f8ca59ba3c4ad5b88de59c1773bb0d : TIMED_OUT in 40m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3fc72745180a41858cad67c7a037be63 : SUCCESS in 6m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8da1c5ef5ad9466dab13496ca800c5f8 : FAILURE in 4m 22s