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

Build failed. https://zuul.opendev.org/t/openstack/buildset/c15823b59d5d46928c9a414fa07c1f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f5233609e7ee478391a9fa53aff6f7ea : FAILURE in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c443550934c046efa020b985dfa64321 : FAILURE in 4m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/14b1e633d71d445ab6dc5c9f5b464859 : FAILURE in 3m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7a16cf26b9494286abdab9e7fb8a7c2d : FAILURE in 4m 47s