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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0219843706c446a2ada1fb4fb1108357 : SUCCESS in 10m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/63a22204e28b40bd859fe8195eb004d2 : FAILURE in 5m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/88f2d120b0d14f7085caee5f5f9b44fd : SUCCESS in 6m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/63d4dc404de04bc4957c544813a09f5f : SUCCESS in 5m 34s