Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ec8539b8467f4092ac0fe781d9d1feb1 : SUCCESS in 3m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e3403fa5888241c7a8d03a3508205596 : FAILURE in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/06e1621e126f46a78efd0a3571f92bd1 : SUCCESS in 2m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/40ba54c6673c4c88a52cc577e3091b27 : SUCCESS in 3m 07s