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

Build failed. https://zuul.opendev.org/t/openstack/buildset/9a38c8bdbbf9444db6c67230e66f73... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f61374e13dee40c4a64cacd92a0b23e9 : FAILURE in 4m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/24ec9d6e9bea4e3c95d9f03c93dc9bf9 : FAILURE in 6m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a58b2ce3d71b4c86aa05d13ff5384b37 : FAILURE in 7m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/50d87d3289df4a1fab8b6f3c3218a796 : FAILURE in 5m 02s