Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fc3bac645cdb4bf1b05d4ac041672cc8 : FAILURE in 4m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bf2e445021243fe96df0caab89d502c : FAILURE in 4m 21s