Build failed. https://zuul.opendev.org/t/openstack/buildset/d9443cfe0b1d4b77b94ae6bf537dad21 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6bef227d91744cd789a5218a6d303eb8 : FAILURE in 6m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ba487b48233247b38003b2f56d65e65c : SUCCESS in 6m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/be3f91d6901f42a2a2ece12b2496d495 : SUCCESS in 7m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/be62ae9bab9d4127a4491b197a6637e9 : SUCCESS in 7m 00s