Build failed. https://zuul.opendev.org/t/openstack/buildset/79f1acf7f2934f059fba177f15560297 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9ea7e498609742978adf33fe2bed8ad8 : FAILURE in 7m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a239d44fa43246aca2ed5b3544dc3eb8 : SUCCESS in 5m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e763f0c2ba534b7c8f103f54454e6fe2 : SUCCESS in 6m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d486ca3479244ea49f841dcf1891b0fe : SUCCESS in 5m 58s