Build failed. https://zuul.opendev.org/t/openstack/buildset/e4be5e00c7094abf84d7c7844985b5cb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e56aec52faea4dfca3989803bd8f1a8d : FAILURE in 6m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0000a13f59fe4230a2678b0c1e47e902 : SUCCESS in 6m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b9dc0de157794025931545edf6a1c402 : SUCCESS in 6m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9440da8cd70f4725b2a204c7fabfe5d2 : SUCCESS in 8m 20s