Build failed. https://zuul.opendev.org/t/openstack/buildset/3404ffb3b1d94e028335a51f02f0ce0b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6e63e90421c44ce29dc84df2d8b95d65 : FAILURE in 6m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b7b9242528184faf95e11672d26eed37 : SUCCESS in 6m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c5c53d58fad24a32b7a74968bd67d1f1 : SUCCESS in 6m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/60ebb1dfcd564f1e8a5cf9d52d643cf3 : SUCCESS in 6m 19s