Build failed. https://zuul.opendev.org/t/openstack/buildset/601685008fa6491e8e6a844c287fa1cb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3e46bbeb8f9743ecb7326989d0fbda4e : RETRY_LIMIT in 3s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cc130fa7c32c4d32a4fb4c492dcf76bd : RETRY_LIMIT in 2s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d9120c43934b47d091c5d0228f8a4460 : RETRY_LIMIT in 3s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/70459b8446ed4949a5a48ee68a5a234c : SUCCESS in 9m 16s