Build failed. https://zuul.opendev.org/t/openstack/buildset/b97f4835a34a49dca6a631439cfe19bf - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fab3481f42ba40e78d8f4a40df1250d6 : FAILURE in 6m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/814e4467068d41b49763a586963864c0 : SUCCESS in 5m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1a4f665cdc034bb8a8f485f55b3b26aa : SUCCESS in 5m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/93f2b52c9e0e43d7a10a570675f8f652 : SUCCESS in 7m 11s