Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/06c046f67e3248d98f6eaab19c9997d1 : SUCCESS in 8m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cec057adb3634483a6c79216c327bebf : FAILURE in 4m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef477b0e96244734b2d2d351e1306c8a : SUCCESS in 23m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/178498c4a01245e4b7e37def9aadf87d : SUCCESS in 24m 59s