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

Build failed. https://zuul.opendev.org/t/openstack/buildset/4993f53ef5cc4d33ab0e4c719499c3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/79326f4bc18441d7bab881c4ca232db3 : FAILURE in 4m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/442a5c387e0d4e6ba699b3345623e32d : FAILURE in 4m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f700488c7d18461b913915361dc732fc : FAILURE in 4m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eaf8f0a6aebd460f80a678e07cf91615 : FAILURE in 4m 42s