Build failed. https://zuul.opendev.org/t/openstack/buildset/0c2c51709afc4f55a45e64ebc252873c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0b5e30b8da874471a5e8ff5c418419a8 : SUCCESS in 3m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2ea220f39d214973ad5850a2c2963000 : FAILURE in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/888442dc1baa40d986f10d7c5095fd07 : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/33125db051b9420f90ad1b8df07ad2b5 : FAILURE in 2m 45s