Build failed. https://zuul.opendev.org/t/openstack/buildset/d1969d69053e4ee79abbf1e047c1d418 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a5040de8ef82425bbf11ca6232c66357 : SUCCESS in 3m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f564c60f099c4ffd88ae2288d1fde14a : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d19b27108fcf42a0a1c5533014d60cee : SUCCESS in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0bf51e60c6884368a5ad3ab427e893fc : SUCCESS in 4m 36s