Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c1ca701a3f564124931b284eb1c32d00 : SUCCESS in 6m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/36251e7931bc4d17ba80f5cbeb637ffa : SUCCESS in 7m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93efa494616645019e1cb90f065d6712 : SUCCESS in 8m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/44fb3121bf9f4d0d87fac633f82c8947 : FAILURE in 3m 27s