Build failed. https://zuul.opendev.org/t/openstack/buildset/7a3f2a5e52744339aeb8fa2c99b6b2e3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/98aac4e0d6f548b98446481639983c7d : SUCCESS in 2m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b3b91b4541dd4cc0a9bdd10d119f0d01 : SUCCESS in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/002e9089e7fe45fdbd3e619a910b1613 : SUCCESS in 2m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2b0625d81e604426b95431d035af2c52 : FAILURE in 2m 26s