MNT Use np.nonzero() instead of np.where in feature selectors (#30519)

FreddSaucedo · web-flow · commit d2dbcff60e69 · 2025-03-18T11:25:30.000+01:00
diff --git a/sklearn/feature_selection/_base.py b/sklearn/feature_selection/_base.py
@@ -70,7 +70,7 @@ def get_support(self, indices=False):
             values are indices into the input feature vector.
         """
         mask = self._get_support_mask()
-        return mask if not indices else np.where(mask)[0]
+        return mask if not indices else np.nonzero(mask)[0]
 
     @abstractmethod
     def _get_support_mask(self):
