[Bug]: FO won't install (1.19.3) about vanilla-installer-python HOT 6 CLOSED

Still present on beta 2

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For later, I can reproduce and it gives an UnboundLocalError...

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Having looked into this a bit more, I think it's an issue going back to installing Fabric - because the UnboundLocalError is with version_id, which is only used in that function. But how is that variable not being assigned?

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Figured out the issue here - it's looking for a folder named "1.19.3 (beta)" because that's what's shown in the UI, but the backend doesn't resolve that to look for the folder in FO repo named "1.19.3" (or rather, Packwiz/1.19.3).

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In that case the JSON could have separate visible name and folder name.

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I also figured out that when installing Fabric, we're manually resolving the version, instead of using the JSON (which was used in get_pack_mc_versions and newest_version) - so resolving from the JSON instead should fix this issue and prevent other similar ones.

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