MAINT Fix C warning in Cython module splitting.pyx

ChVeen · ChVeen · commit 7a8b16bb63f3 · 2023-04-03T17:59:39.000Z
diff --git a/sklearn/ensemble/_hist_gradient_boosting/splitting.pyx b/sklearn/ensemble/_hist_gradient_boosting/splitting.pyx
@@ -572,7 +572,7 @@ cdef class Splitter:
     cdef unsigned int _find_best_feature_to_split_helper(
         self,
         split_info_struct * split_infos,  # IN
-        int n_allowed_features,
+        unsigned int n_allowed_features,
     ) noexcept nogil:
         """Return the index of split_infos with the best feature split."""
         cdef:
