Comment 0 for bug 1894957

Since most of tripleo-ansible modules do 'import foobar', we should ensure that we have the correct yaml python packages installed. Some of them, like python3-dmidecode may be in base Centos8 images. But some may not, especially for custom deployed-servers provided by users for deployments.

Those packages must be tracked and ensured to be installed by tripleo, or at least documented as the modules get updated.