Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/70b0f25aa8aa42e68056b440e92a8d1d : SUCCESS in 19m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4e3c8938d5b14038be7f8f6304525112 : FAILURE in 4m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/10850f257ef7421885f8aefc98970e06 : SUCCESS in 8m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f62687d045234c4b9f8257a4afaeef76 : SUCCESS in 8m 29s