Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4c563e5678284a0bae6ac4a8758361ab : SUCCESS in 6m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d0eeef971bc54c4d8764a633ead34617 : FAILURE in 7m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/94cf4d7b044748a293b45d4e2ed703de : FAILURE in 6m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/70d326efcd7e414083773c42f2477ba4 : FAILURE in 7m 18s