Build failed. https://zuul.opendev.org/t/openstack/buildset/e7dd12c377f64cc3a4e9e413b118818e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/59df8bb253e349f09143d6559f66d5de : FAILURE in 4m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b3053c5b7680401796e03b826611f8e8 : SUCCESS in 4m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0f92cc983927429a984e05ff4f354c5c : SUCCESS in 4m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/98fa341703294e4a89b7a127d76d289f : SUCCESS in 4m 24s