Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1042353025ac4ae897f1a1d82ba9c4d5 : SUCCESS in 6m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/671951a836a742c9bf9d4bf93a197023 : FAILURE in 6m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f757412ad5784f57b2f9b88b4ca56926 : SUCCESS in 6m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cfab531395b74c509328e7ef02c0515b : SUCCESS in 6m 31s