Build failed. https://zuul.opendev.org/t/openstack/buildset/ea7b4023aa9d4615a71bcefc3ac5b2f5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bd4c3c526d1448bfb4f6ab46fb152145 : SUCCESS in 2m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0e5262ad8c7e47fb8b1f05612ff1133e : FAILURE in 2m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cc8053dfa07a4ae8ad6c5b7751b909df : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5684df1f668d4002802463518d1ff2e9 : FAILURE in 4m 42s