Build failed. https://zuul.opendev.org/t/openstack/buildset/d49f3b61803e4dadab641049fba3c0b8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6afb8e1a3a654886949d72e987fe8f91 : FAILURE in 3m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3742cd6f87a14292a5dc9c21e3d691a9 : SUCCESS in 3m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3c2c12fcb0844426ab6c03c25181f898 : SUCCESS in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/be9c783b077b45369ca75101e2adec15 : SUCCESS in 5m 20s