Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d4c0f982192d45308dab2d73163e6d4e : SUCCESS in 6m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/43b36d41a5ed44a3b459c138c80d151c : SUCCESS in 4m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/68ce266051a04d0d91faf469a2a96ee8 : FAILURE in 3m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e1fff8de779d4c55b9fea3e9728c9a4d : FAILURE in 3m 37s