Build failed. https://zuul.opendev.org/t/openstack/buildset/6d320dad216040218875dd5b36079487 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba529e352c4f444893687bc2eecfcae6 : SUCCESS in 4m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7f77636304304b32905c13a864ccadac : FAILURE in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/be0106e5f4254609b3d12bc365942e4c : SUCCESS in 4m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d61067326c184e12a6ac3ff47994a0ab : SUCCESS in 4m 51s