Build failed. https://zuul.opendev.org/t/openstack/buildset/0d1a5f6ca9e1494bbae5c4ebfafd78f0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e6b59a85a8bd4840beaf368028bed5ca : FAILURE in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ca5c277243e8422ea875a17666a9cc6b : SUCCESS in 4m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3b6139c1901446a88b2bbe5227be698a : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/43a5de9b7c45405898259aebab0ce8d6 : SUCCESS in 4m 33s