Build failed. https://zuul.opendev.org/t/openstack/buildset/14fe93654ab84db5bdc8c436c76b8924 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b32c6e6f510340e8a4126a0d09baa5bb : SUCCESS in 11m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d07983533ae6411db82caaaff3b088a4 : RETRY_LIMIT in 2m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ff99a0481b2d4f80a462bb3c2dbaeafe : RETRY_LIMIT in 1m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b1d19934f0534eabb8516f047f5e1c05 : SUCCESS in 10m 46s