Build failed. https://zuul.opendev.org/t/openstack/buildset/f549ecf4f6d74daeb38007c959eb2ea3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9470abb0b9c34ff0ab37f204da8952e4 : SUCCESS in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2957249654c945c7b0a4de2cd7f5ca4b : FAILURE in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3b0335829a184f02b1f4ff519f2985e8 : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a1794b136c3d4d28b108b95127f8ee00 : SUCCESS in 3m 32s