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

Build failed. https://zuul.opendev.org/t/openstack/buildset/6b08a1cd2aec47fda4da1cf8cb67a0... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d6dd0b0625274b4f94e64e3bcd90bf25 : FAILURE in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b77130c61be3436c8c63425a3f26422a : SUCCESS in 2m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0aa98dbb2b514441933d0f3c3389f82e : SUCCESS in 2m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/83630dcea54a413f9ee2e45b9404f072 : SUCCESS in 2m 57s