Build failed. https://zuul.opendev.org/t/openstack/buildset/25308b0f78ef424b8e17d58cb48e5c07 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d1ef8709989e465c9f3d22d965c250ee : SUCCESS in 4m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/39224fcfbbdc4937bd3e1fcb04a827fb : FAILURE in 3m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bbbac8ddc5a1451bb982808fd5de6e6a : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/672aff718d1f4d1fa46b3e00c252ede3 : SUCCESS in 4m 43s