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

Build failed. https://zuul.opendev.org/t/openstack/buildset/ada58a74e873405eb04f7de059703e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8f62f7f6f3e9436fb12c160e4d0a829b : SUCCESS in 7m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/316f75670fd749e09319aa6531e71afb : SUCCESS in 11m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ddec48be0d0c41c3b07de10f3cfbeceb : FAILURE in 12m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2820feb50e8f410580a5dc9f3fa45d43 : SUCCESS in 13m 14s