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

Build failed. https://zuul.opendev.org/t/openstack/buildset/da6cedbac58b4cf38d751a3fa79cb9... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a82e03dd23a84c46b44fde3314e975ed : FAILURE in 4m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9bea22f6160f4f45ba8c145febf3db2d : FAILURE in 4m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d1b4399a031e435a9c820b9f5985cfcd : FAILURE in 4m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7dc4b621df06435494b902377e818f9f : FAILURE in 4m 56s