_

jeromedockes · jeromedockes · commit 889cf7583b27 · 2026-07-02T23:07:39.000+02:00
diff --git a/skrub/_data_ops/_estimator.py b/skrub/_data_ops/_estimator.py
@@ -1416,6 +1416,8 @@ def plot_results(
         Plotly Figure
         """
 
+        check_is_fitted(self, "cv_results_")
+
         # Check that requested show_scores, show_choices, and show_times
         # (if any) are available
 
