[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/87a9815e865f48099d0cbe36468a20... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4df1dcb226b646a29eac82e5f95d2262 : SUCCESS in 5m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/09e88f5840c74ca5994f815de9bf4858 : SUCCESS in 7m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2fb454978eb3418b9d0f3b29c91cf2d7 : SUCCESS in 6m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/016358ad7fd6488ebbaab1d38f10047c : FAILURE in 5m 16s