[Callbacks] ENH Start propatation depth at 0#33546
Merged
ogrisel merged 1 commit intoscikit-learn:callbacksfrom Mar 17, 2026
Merged
[Callbacks] ENH Start propatation depth at 0#33546ogrisel merged 1 commit intoscikit-learn:callbacksfrom
ogrisel merged 1 commit intoscikit-learn:callbacksfrom
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lesteve
approved these changes
Mar 16, 2026
ogrisel
approved these changes
Mar 17, 2026
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Now that the name of the attr for auto-propagated callbacks is
max_propagation_depth, I find it a lot more natural that it starts at 0.0 means that the callback is not propagated to sub-estimators (it's still set on the outermost estimator). 1 means that it's only propagated to the first level of nested sub-estimators, and so on...
What do you think @ogrisel @FrancoisPgm @StefanieSenger @lesteve ?