Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e7669478df394ea18eced9f610be10d8 : SUCCESS in 8m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fdbd729fcde14b838032d9715976a63e : SUCCESS in 5m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cb6df815b8634f14af5e85b68e4bddfc : FAILURE in 3m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b5ab28c8692443c5afa186b21375cc07 : FAILURE in 5m 10s