Run error #7 - Fix Dateutil parser Import

[JackSetaro]

Import parser from dateutil rather than calling it with dot notation

[triuk]

This change does not work!
BTW I used your project for setting up and maintaining a Valheim server with mods (as of September 2025): https://github.com/triuk/Valheim-Mod-Manager/tree/main

[JackSetaro]

Interesting, maybe it was something messed up in my local environment, as I have now been able to use the project for months after making that change