[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/fc5f8080ac0147d99387e7a6127e902c : SUCCESS in 11m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/71b435af1a2444019c1329701eac7718 : FAILURE in 11m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/502ff2a7d4a14b1e9004aa9a3cfbc67d : SUCCESS in 17m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0c7aa6796f3548f29ef754dbf5274080 : SUCCESS in 26m 38s