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

Build failed. https://zuul.opendev.org/t/openstack/buildset/74d6a196dc2e4ad387fcdbfd1bc5e2... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8ff525d70a4248929075ebdbcb77f636 : FAILURE in 4m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/64921ebded70476d8417502c7664f378 : FAILURE in 4m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3c2fe0be17a241ee8d69cb388f48be1c : FAILURE in 4m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f311740e644b437999ac76c075762427 : FAILURE in 5m 37s