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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/15ace24906f5462fa9c7ff7b7d8e55e0 : FAILURE in 5m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4d62e020870f485f955f2de64c54248a : SUCCESS in 7m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b1448aa9133b4527a8692e68aeffc59b : SUCCESS in 7m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/81b936b3aeb548f290aa3f942f9f2db2 : SUCCESS in 11m 10s