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

Build failed. https://zuul.opendev.org/t/openstack/buildset/ea30016ce5644c34b226e6941147f3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/beab64c145024455ad97ba1c8a35b7c8 : FAILURE in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2a33a45dcc0e49ff8d4c1044a9d6a347 : FAILURE in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8f557722f9db4b88bdd02399da14e5c7 : FAILURE in 4m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/15a7f629c96443718ede4eeea23798e8 : FAILURE in 4m 22s