Build failed. https://zuul.opendev.org/t/openstack/buildset/795b2daa7816406ba4a3214c30123d08 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d324a2e6fa94129b6d989094acf8cea : SUCCESS in 5m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/970c87f9315b4d31bacb6d0a66e9f366 : FAILURE in 3m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/252ac672cd5c48e19e4c5fdc7c869a0b : SUCCESS in 4m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/140a50ba040f4deda4e5a6adf92e263b : SUCCESS in 5m 14s