Build failed. https://zuul.opendev.org/t/openstack/buildset/72ceb8577b2a4f1ba5aa4ae00e63f434 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e5c705ae2bd940e193561abde18b6684 : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7600fe9204c34af2bc6439154a4dadcd : SUCCESS in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ab407dcfc32d443bb4365285ccf90851 : FAILURE in 4m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7992b2f6b8ef4c459c7fbca71fb55092 : FAILURE in 3m 05s