diff --git a/khiops/sklearn/estimators.py b/khiops/sklearn/estimators.py
index 47bfc16b..79176f3a 100644
--- a/khiops/sklearn/estimators.py
+++ b/khiops/sklearn/estimators.py
@@ -273,8 +273,8 @@ def __sklearn_tags__(self):
         # pylint: disable=import-outside-toplevel
         try:
             from sklearn.utils import TransformerTags
-        except ImportError:
-            raise NotImplementedError("__sklearn_tags__ API unsupported.")
+        except ImportError as exc:
+            raise NotImplementedError("__sklearn_tags__ API unsupported.") from exc
 
         # Set the tags from _more_tags
         tags = super().__sklearn_tags__()