Build failed. https://zuul.opendev.org/t/openstack/buildset/d82a641e7d1a4a5fa3265fe9a2b714ac - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/67f74cf6c0184b1abe64963a906d351f : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c05c52cfdec94df3a29bd6b764046eec : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dd4473e816b5419da4406b33f7e3db74 : SUCCESS in 3m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/81e5ba88871e4da098746b70a600bfa9 : SUCCESS in 4m 10s