Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eac2bbb1c1654033ae3cec2d8ab70bed : SUCCESS in 6m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/de64d97ed9c84783bef68be7d39140da : SUCCESS in 7m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c73b9ca1f4094d25bd1084e974796aad : SUCCESS in 5m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8418bb77c06a421a9ebac1939c59fbb0 : FAILURE in 3m 10s