Build failed. https://zuul.opendev.org/t/openstack/buildset/f9f0bfa3423e48cf9f64f99c0bf06637 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/33b54b020a02493cb4c9808c6e10cdb8 : SUCCESS in 8m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cc543a26bdff47f0b9fef4884ca5a1a8 : FAILURE in 8m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5ad4d58afb2f4d739aef8a36eb43739d : SUCCESS in 8m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fc5479cc9db243f59244b38527248488 : SUCCESS in 7m 10s