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

Build failed. https://zuul.opendev.org/t/openstack/buildset/de8416a508214012bee5a63e6efda1... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bb3b3827b215414fb0c2fcb23d16d49e : FAILURE in 4m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c5e003e4363d46649cb3165c2e0f4038 : FAILURE in 4m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bac79822fbdc4c138def5ee0f920cf54 : FAILURE in 4m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/45fc4274ae47449f94899cde8db91a6f : FAILURE in 5m 57s