Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f79be0eac1304e2ba6b8f2149b1443f7 : SUCCESS in 7m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a157e121b804227b4554b0a8b310c7b : FAILURE in 7m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0431ef43b79344fdb86cbefd085483a6 : SUCCESS in 6m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/598b1ca3191142d481456ecd71a26e63 : SUCCESS in 7m 59s