Build failed. https://zuul.opendev.org/t/openstack/buildset/c5c2277167cd4f2dbe84c9dbef69d155 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ef98ddd8604b4a53a32932fee85896a2 : FAILURE in 4m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/413764baa68841b49a7004a29e1d5dab : SUCCESS in 4m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5109320d40ce436caf22e25b1930c1df : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3ffb61ef5a36458e836c787405eb99c8 : SUCCESS in 5m 29s