Build failed. https://zuul.opendev.org/t/openstack/buildset/f5a0be93c52e4e789d40353f7fbdee0a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/56d2206aee90497ba398ca95f95a0e34 : FAILURE in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/51e4be3465444441bee6d86a1a93f99b : SUCCESS in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b7597eff132e42a781a1a1e9a1338821 : SUCCESS in 4m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7bb2283963674d899ddacc62d38ff774 : SUCCESS in 3m 52s