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

Build failed. https://zuul.opendev.org/t/openstack/buildset/36c81a232c0c44ebb9bf1c3a477a9a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0995a76cc9b54e5aa5c02a17aab2fce7 : FAILURE in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/91d2d25890694174834d1c4c8ea13743 : FAILURE in 4m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6e867c5f982c46ad83ab08132bfdbc86 : FAILURE in 4m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/11c09ae16faa4ff7a2541f6d44633197 : FAILURE in 6m 52s