Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/47d08f5e22384c28898c8be3355eae75 : SUCCESS in 7m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/33fe4d1050114e91a143cb779a2baca0 : FAILURE in 15m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9c7d6d14e44e41c292e3427885c52132 : SUCCESS in 16m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5a088bdc5d214b7bafead2cefb3ca5d4 : SUCCESS in 13m 43s