Build failed. https://zuul.opendev.org/t/openstack/buildset/18db0c05d57c4e96b39a0e6b47844c68 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5701a4fcc3344da8835a9f2c4b33c51c : SUCCESS in 2m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a1a6da5b1a3a4114a9dac3132823fefd : SUCCESS in 2m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a505fac07d514ae1a611d7a3b79f06a4 : SUCCESS in 2m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dcfe5338ce8b4c4d982e86eb3ba50f2d : FAILURE in 2m 36s