Build failed. https://zuul.opendev.org/t/openstack/buildset/4398f173af8b40b3a24f3ef3d9f8a860 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3c9467d897d2430a9a61238f693cb8ae : FAILURE in 7m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/49c7df62ba3b4283ba0cbc660f0dd667 : SUCCESS in 6m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/95a715dad53646559e74e3103795eff7 : SUCCESS in 7m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/acf4652e71324c2b8bea83ac61d84981 : SUCCESS in 6m 37s