Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e31645975e794b58886fa22109c67a71 : SUCCESS in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/25b446e25a9b46a3a2a19844f759f808 : FAILURE in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/42ac6594cdaf40a28b977c6f20c56ba3 : FAILURE in 3m 59s