Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ebbbcf3211d942bfad4a03a980c9ebf4 : SUCCESS in 6m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/55258797cca44260987fc0726f296ab9 : FAILURE in 3m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bd9492797e35419ab8e1cacbcd94afd2 : SUCCESS in 8m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/30c147d0033b416b9a8a064e65e71861 : SUCCESS in 10m 12s