Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7831f281f32f4eebba84e717d788f9b7 : SUCCESS in 4m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/22fc30e54877449094d1613159aba916 : FAILURE in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6dde52f204b34573a293a27caddbeadd : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/58c12972b7e444cb83decf6115c84ad3 : SUCCESS in 3m 43s