Hello,
While updating sample policy files (those with all rules commented out and including comments) in CloudKitty, I discovered that the functionality was broken: oslo.policy generates an actual policy file instead [1]. This issue was first introduced in 3.12.0. I submitted a fix [2] which I assume will ship in the next release.
I thought this was worth sharing since any project using output from oslopolicy-sample-generator in their docs or repository could be impacted.
A workaround is to stick to oslo.policy 3.11.0 in your genpolicy tox environment.
Cheers,
Pierre Riteau (priteau)