Build failed. https://zuul.opendev.org/t/openstack/buildset/44f4e5e1fae04664a23b75f0763eb6b1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/55534b43786741b28d16d25b49a2cfca : RETRY_LIMIT in 1s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/13c689c80b144e9c8b093124858fd34b : SUCCESS in 6m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/377a4b8882644d9caab17f48a6f42e58 : RETRY_LIMIT in 3s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b5d0942b64074053b5924d5877eef67a : SUCCESS in 4m 24s