Build failed. https://zuul.opendev.org/t/openstack/buildset/ea5a7b8470284b63b8318ebf3ca6ac6e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d21db588a80d4603a1fa32c1c451510d : FAILURE in 4m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/92edf062e94d42f3a702b9d163848582 : FAILURE in 4m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/39e71893adf54b678c467e7514219844 : FAILURE in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/33d9271c058f451293bb012aef2744df : FAILURE in 4m 24s