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

Build failed. https://zuul.opendev.org/t/openstack/buildset/04216778cef84ceba2ec8e3a6edb02... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e210023527f5423c9b977b8fb20ab69a : FAILURE in 5m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5bb5f146e71b4ddcb4193ccf61ef10f4 : FAILURE in 4m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/31713619237d4db88bedc421401d804c : FAILURE in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a58ccbeb38b845b69c31cab219d5e23a : FAILURE in 4m 41s