MAINT Parameters validation for sklearn.metrics.davies_bouldin_score (#26136)

jiawei-zhang-a · web-flow · commit f89af36a999e · 2023-04-12T15:42:46.000+02:00
diff --git a/sklearn/metrics/cluster/_unsupervised.py b/sklearn/metrics/cluster/_unsupervised.py
@@ -358,6 +358,12 @@ def calinski_harabasz_score(X, labels):
     )
 
 
+@validate_params(
+    {
+        "X": ["array-like"],
+        "labels": ["array-like"],
+    }
+)
 def davies_bouldin_score(X, labels):
     """Compute the Davies-Bouldin score.
 
diff --git a/sklearn/tests/test_public_functions.py b/sklearn/tests/test_public_functions.py
@@ -182,6 +182,7 @@ def _check_function_param_validation(
     "sklearn.metrics.d2_absolute_error_score",
     "sklearn.metrics.d2_pinball_score",
     "sklearn.metrics.d2_tweedie_score",
+    "sklearn.metrics.davies_bouldin_score",
     "sklearn.metrics.dcg_score",
     "sklearn.metrics.det_curve",
     "sklearn.metrics.explained_variance_score",
