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

Build failed. https://zuul.opendev.org/t/openstack/buildset/fe181921d26a4eb5915f5939c06312... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/818469ac1bd44545b927f4bb21e79204 : FAILURE in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4c88f23e116a4d66a6318b725d91cb17 : FAILURE in 4m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b0c4109cf7e04dffbe67b8673e4782fb : FAILURE in 5m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ac4247a3aeea43a39da843462e4feab8 : FAILURE in 5m 25s