Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d13f734083bc477e969b0f3d351bf029 : SUCCESS in 5m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9f374e3044b241a991a5ee7b9e2f9ea4 : SUCCESS in 7m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e3b8e2e24c1a485992338a80b3e1335d : SUCCESS in 7m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ed401c60d685451fb072cd3d99140dce : FAILURE in 3m 55s