Build failed. https://zuul.opendev.org/t/openstack/buildset/32c0bc1207b045d8b8753c46ad823e0e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/70307bb1a1a4461dab4994b1bfc0a2a6 : RETRY_LIMIT in 3s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e64a6fd7e914496b85a33e5fc8b6de2c : SUCCESS in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/439a8233679d4b07afad1e2eb44f0635 : RETRY_LIMIT in 3s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/68832ff512164300943be68162d7ea3b : RETRY_LIMIT in 1s