[FIX] Prevent inverse normalization of quantile validation loss#1432
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[FIX] Prevent inverse normalization of quantile validation loss#1432
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nasaul
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Jan 13, 2026
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The solution is correct. However I think that we need to add a test to check consistency across the different losses so this won't happen again.
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When using DistributionLoss for training and sCRPS/MQLoss/HuberMQLoss for validation,
_inv_normalizationwas applied to quantiles that were already in the original scale (via scale_decouple), causing validation loss to be computed on incorrectly scaled values.This fix tracks when the output comes from a scaled distribution and skips
_inv_normalizationin those cases.