Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a08242a13d94348964cd45567a7a1b0 : FAILURE in 7m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bc137dcff2743d286b628b984e8c01a : SUCCESS in 8m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a73278cbf1f94998aa0b25e9b43f8ca0 : SUCCESS in 10m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9a85bdb9fc95435f928dc1b0ad7e24f1 : SUCCESS in 10m 03s