Build failed. https://zuul.opendev.org/t/openstack/buildset/c5be5c66a48848ae9e1c46503b1af2fe - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ef97e0c8907a498f8206aeffde81e10c : SUCCESS in 5m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b824e8c7f0b14779935805a967cabeb8 : FAILURE in 5m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/53846536e7a0421691152ec4a1ad90f1 : SUCCESS in 4m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bbc121c354b447eb81983c8d170c8428 : FAILURE in 4m 14s