Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a3e4ecfed8e40d684dfdc0e4d259f8b : SUCCESS in 4m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1b10ec7e98da47ba97717705973ab29c : FAILURE in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/db5a45d028ea4298964a264964aebc2d : SUCCESS in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f2798008cee24473aa8302dbaf5ceb56 : SUCCESS in 4m 37s