Build failed. https://zuul.opendev.org/t/openstack/buildset/aa9ebd6419074078a9e708686d76d25e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bdcc821d24c9437697ace08315af7e98 : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b04d9097e60346db9d1dfb7f5ce4fecc : SUCCESS in 2m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cb5f20b5dcf544ac8bf0f7850bca8b86 : SUCCESS in 2m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/27f06dbe282043999edb1a5bf9d74f8d : FAILURE in 2m 27s