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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/acca951ac50a43d182940179e162d3ab : SUCCESS in 7m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/25576f63be334b82b29dd7bc370b95db : FAILURE in 13m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/58ee6de4d29f4005bac34b89d5656c89 : SUCCESS in 12m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6b70fd33bf04463494119fa8fa0c4b37 : SUCCESS in 12m 41s