Build failed. https://zuul.opendev.org/t/openstack/buildset/29bcff6c1de14ce69b5f6a448802ff38 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/24fe0f3ef4da4756ae1098bb855261af : RETRY_LIMIT in 2s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6f72dbc19d7e4447aa02787bd08cda67 : RETRY_LIMIT in 1s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bb60845575c9439d92a5b8a66ecde862 : RETRY_LIMIT in 2s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d8bb3e00464849d2be82a69ec1dc6b43 : SUCCESS in 4m 19s