Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8eb4c548c77c43b29835a5e141f3c3ee : SUCCESS in 4m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/de30ae75bda94d9fa79345df5268482b : FAILURE in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/10311a28525645baa4b40c9e3134a966 : SUCCESS in 3m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3e291cc6b3e64a0493363f152853859d : SUCCESS in 5m 38s