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32212.Fix

doc/whats_new/upcoming_changes/many-modules/32212.fix.rst

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  • Raise ValueError when sample_weight contains only zero values to prevent meaningless input data during fitting. This change applies to all estimators that support the parameter sample_weight. This change also affects metrics that validate sample weights. By :user:Lucy Liu <lucyleeow> and :user:John Hendricks <j-hendricks>.