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

Build failed. https://zuul.opendev.org/t/openstack/buildset/cf75b1b5e7444a46b881876390ff2b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f5c50cf6b62f4719b709ae79fd32f8bf : FAILURE in 5m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bb96d2b5c83b473db2f4da60bec65c30 : FAILURE in 4m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8cce8495045b4eb08ad9aa9089212cf3 : FAILURE in 5m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/23b0891c1d7e40278c1c428b334bdb40 : FAILURE in 4m 50s