Build failed. https://zuul.opendev.org/t/openstack/buildset/63659ec61e1b499eb94c86ffd898c000 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/62ecbc3cfefa4a1b89b72e5c8e1c4691 : SUCCESS in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/90b7f92347274276963d524118b93e73 : FAILURE in 4m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/635befdfb78845e886aef8da8208c32a : SUCCESS in 3m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4d356d4d8b2b448cbe3f83a247cb9ccf : SUCCESS in 3m 35s