Build failed. https://zuul.opendev.org/t/openstack/buildset/b9e2ab80d16e4cba9e3841352919bda2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5ee0715a882a4faeb085a9279aa302c0 : SUCCESS in 2m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ce8c0c4b98d84db9bb3f428b1e469f6f : SUCCESS in 3m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/33c359283d43499c9d8e540594b319d6 : FAILURE in 2m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f743fe4cffce4d8a8e230437f823e412 : FAILURE in 2m 38s