Build failed. https://zuul.opendev.org/t/openstack/buildset/278a227c3d894f10a5347d2f84228ec7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7070b025a0154e3e89a493f8cab47227 : SUCCESS in 3m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/36e996ce7b1d4440a941486850e523de : FAILURE in 2m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/573f00330c0e4338bca139190a27f69c : SUCCESS in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c69180b5aff7450e8ec6344bf18cfb55 : FAILURE in 3m 00s