Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b7adf807ad0e4ef99ae236b26e1e0944 : SUCCESS in 8m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ecbf7cf20b894bdba95df79ebe3c577f : FAILURE in 7m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/41e34d3fa2384813a5133470ae838a3f : FAILURE in 8m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/de3951ff1a5a48e197c48b371b7fedae : FAILURE in 8m 02s