Build failed. https://zuul.opendev.org/t/openstack/buildset/50cfd3adf465429a979ebd43dbb7e2f2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d9171b05571412ca01235e4e27dcb4e : SUCCESS in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/211dbd2960af4f38bb57c3902d5976fa : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/78b3cf2ad4094674808e7f27c439f3be : SUCCESS in 2m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c7bdf28e79c44726934990a881ef831d : FAILURE in 4m 06s