Build failed. https://zuul.opendev.org/t/openstack/buildset/d646410fb46045d4b8ab18945a5fcb09 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9089e987f4354abf95449dc2b3d66c65 : FAILURE in 3m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3bb18a28a9ce43f683ae872206897323 : SUCCESS in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c545f75e8c08474c83ab242569e3cb01 : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/59ca21157d9c43b69f64863a1af2ff78 : SUCCESS in 3m 49s