Build failed. https://zuul.opendev.org/t/openstack/buildset/022e02f8bbe2407fae3cfeb196f3bd43 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9a0b6de39c6040b48016d3c147eaf33a : SUCCESS in 4m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1e898d2625e644abbffaeecfbd5d6eca : FAILURE in 3m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2b95ebce2d4841c3a64a6fc0f0c674b6 : SUCCESS in 4m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/82dedcc0d8894877a130a2ca9809e0f0 : SUCCESS in 4m 28s