[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/d3ecc327d7ec4fe590bbf611abfe32... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2ca87f69391e45ccb13495f8087a0c17 : SUCCESS in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/310b1d5ba31345b3a357692fdec69e59 : SUCCESS in 4m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b934a746cb764c18ad9b2e2a553fa35f : SUCCESS in 4m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c4462e5e5bf445a2b8dc20724e24a599 : FAILURE in 4m 17s