Build failed. https://zuul.opendev.org/t/openstack/buildset/a54c15b787a14e8e91d4fd825528d54e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3fdbbb4d20ae4d378843a7d29c93cc2a : SUCCESS in 5m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c14ee602055a4dc09ede6ac6f77d74a6 : SUCCESS in 5m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/05a4c0d5a90b402e8dd79025249b84da : FAILURE in 5m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d8179de988714724b3cfcc461ed4e5c8 : FAILURE in 4m 48s