Build failed. https://zuul.opendev.org/t/openstack/buildset/beaea06a87314ec98a7d749e696f95a4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a4f53af3c58e440c8efee646e0d279ec : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d108d063f2dc45bebb1de03ffd01e1aa : FAILURE in 2m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/848195c215c1485f89bbc02f111303a2 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3c8beb11ecef4429a7e184860d7813df : SUCCESS in 3m 48s