Build failed. https://zuul.opendev.org/t/openstack/buildset/1f2d83800a4e4d24affac50129f75fa7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f5f8e9473fbf444594659b6e97a5ab27 : FAILURE in 4m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/36be2294db5d49b696575ebbe8885acd : SUCCESS in 4m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c9e3d40013b44ab0a162d982ac240138 : SUCCESS in 4m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1351c56d74ac409095d54f3e7c84dcb9 : SUCCESS in 5m 04s