Build failed. https://zuul.opendev.org/t/openstack/buildset/da4fc775ea4d4a87adec5ac1019c1302 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/65d18dea097a4bad99e9caf0db390a59 : SUCCESS in 4m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4f3102a5e2364f2c9896b917374ccbd5 : FAILURE in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/44e151cde5b44dc8863c15600347fcd8 : SUCCESS in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/703645d7b1844b33a55bca5593dea9fa : SUCCESS in 4m 21s