Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/709e30ac94a84b938656d9a00424090d : SUCCESS in 5m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b7be554852c74bcd92ce82f79698facc : FAILURE in 7m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4a39b660840f437ba73f2b9a948b0e0f : FAILURE in 7m 26s