```
def versions_behind(mod: Mod) -> int:
    if mod.default_version:
        all = (version.Version(v.friendly_version) for v in mod.game.versions)
        compat = version.Version(mod.default_version.gameversion.friendly_version)
        return sum(1 for v in all if v > compat)
    return 0
```
<span class="d-mention d-user">HebaruSan</span> what about that as quick code fix?