Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2cc20cbc56e64fe3a7ed066ecbac679a : SUCCESS in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7607a32fec5a4669b1bf23fdccd7f11a : FAILURE in 2m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5833af295dd34f92b3b7d4373f54f634 : SUCCESS in 3m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/131c220700f64b0f9b040602fe1299cf : SUCCESS in 3m 57s