[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/3564109d415f4fd8b2c4acce258e60... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b4c94a4447554554b7ebad4eb1953598 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/536a873aaac4454886f06b665a036333 : SUCCESS in 5m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d2660300cd27491ca67b9e436309b86f : SUCCESS in 5m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bab8206fd0f7419d8598d3aa03d84f54 : FAILURE in 7m 13s