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

Build failed. https://zuul.opendev.org/t/openstack/buildset/6a6c99b67d1843ffbff00ad9147810... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6e5f41600b894e459c5bf5132a69d0ad : FAILURE in 3m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f7de0ab72558461a94138f56b96dd62d : SUCCESS in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d89085e1931949afa7ba6c6f655a6d86 : SUCCESS in 4m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f05b866458f24d00a0a35bc462cc1321 : SUCCESS in 4m 03s