Build failed. https://zuul.opendev.org/t/openstack/buildset/eb445ed85c864520a343d405807bc634 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/052e1ce368104d319ce99baf4e803367 : FAILURE in 4m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/25a9655b23d14fce9692faa1c2c221bc : SUCCESS in 4m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/745cce1191e84a71b712b6e7c90ff39a : SUCCESS in 4m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c793109030084d8ba926c09921c7e87f : SUCCESS in 4m 28s