Build failed. https://zuul.opendev.org/t/openstack/buildset/77532e1d72384ab2a0b3a790d9132665 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5dee57fb8e0042d2b3e62db0daa6cd1d : FAILURE in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16df6c6f84184413817cc60b82cbc64b : SUCCESS in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/79eae4b136f44cb2987aa00265389bf7 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/40022b0162f742c3af74cbea37c1114c : SUCCESS in 3m 14s