distro.version() is supposed to eliminate `n/a` and empty values when other sources contain valid values. ``` >>> import distro >>> distro.version() 'n/a' ``` It returns `n/a` because `lsb_release -a` has that value, even though `/etc/debian_version` contains a valid value ``` $ lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux trixie/sid Release: n/a Codename: trixie ``` ``` $ cat /etc/debian_version trixie/sid ```