Build failed. https://zuul.opendev.org/t/openstack/buildset/9b3a2b9a77c74a82bcdd1d6efe3a41cd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/12605ef0087c4e568a748d2ea219e9ec : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/32ddf8a82bd84c7a96f369d640e4727b : FAILURE in 3m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d4f2d97051b249acbf401e104179a843 : SUCCESS in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/805a371219e146c9b43fb754d99b8cd5 : SUCCESS in 4m 15s