Build failed. https://zuul.opendev.org/t/openstack/buildset/4a253cafc8a74f1880eb400755d25410 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3498afebff22413fb5e69ae3ba50a991 : FAILURE in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2f69c6883d014e89a292db693ff2e293 : SUCCESS in 3m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93b6040ca7ab42c1906bbaa8479252c0 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3f6c0a76701c45a1b3d6c75def7072e1 : SUCCESS in 4m 40s