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

Build failed. https://zuul.opendev.org/t/openstack/buildset/5cda554577d5476f81f9aa48c782d7... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6951ffdfab6c4e88b27c747d8359af3c : FAILURE in 4m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8d093480dfc44fe7966922e88bb309ad : FAILURE in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/afb04b8cd79049d3bfff8d45ac14c439 : FAILURE in 5m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ac8e29022cd84569a7eb6f925c4ce17f : FAILURE in 4m 31s