Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/26da5ef593384f3280dea4a982c662d5 : SUCCESS in 4m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a27fc93f0fa64558a16cdfeac155c410 : FAILURE in 4m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/86090a02c0b84d71875a073bc8eaaa4e : SUCCESS in 6m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1be32b59d20448148e784afe9ab67699 : SUCCESS in 6m 49s