Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a8c1d7af1f1d47288eead4aaf50380c7 : SUCCESS in 4m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7f1ace9f0f114c44916e3062a4dbe762 : FAILURE in 7m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f754550815b34e05b12b80d7b66d4534 : FAILURE in 5m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cfd3f060a0db42888e79c47601de0970 : FAILURE in 5m 57s