Build failed. https://zuul.opendev.org/t/openstack/buildset/7231cc87bc2e4204abcb861fdaac6495 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b47c693453ae445b92ad2c38fbd3f644 : FAILURE in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a41de8245374369b21a48445667039f : SUCCESS in 6m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c51baffdbb864472bc5a780f20860722 : SUCCESS in 3m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9bafabc0764d45078c278f5821a6146e : SUCCESS in 3m 40s