MAINT XFAIL check_sample_weight_equivalence for LinearRegression on 32 bit CI (#31101)

ogrisel · web-flow · commit 4f847f5ad881 · 2025-03-28T18:33:30.000+01:00
diff --git a/sklearn/utils/_test_common/instance_generator.py b/sklearn/utils/_test_common/instance_generator.py
@@ -176,7 +176,7 @@
 from sklearn.utils import all_estimators
 from sklearn.utils._tags import get_tags
 from sklearn.utils._testing import SkipTest
-from sklearn.utils.fixes import parse_version, sp_base_version
+from sklearn.utils.fixes import _IS_32BIT, parse_version, sp_base_version
 
 CROSS_DECOMPOSITION = ["PLSCanonical", "PLSRegression", "CCA", "PLSSVD"]
 
@@ -1283,5 +1283,17 @@ def _get_expected_failed_checks(estimator):
                     "check_dataframe_column_names_consistency": "FIXME",
                 }
             )
+    if type(estimator) == LinearRegression:
+        if _IS_32BIT:
+            failed_checks.update(
+                {
+                    "check_sample_weight_equivalence_on_dense_data": (
+                        "Issue #31098. Fails on 32-bit platforms with recent scipy."
+                    ),
+                    "check_sample_weight_equivalence_on_sparse_data": (
+                        "Issue #31098. Fails on 32-bit platforms with recent scipy."
+                    ),
+                }
+            )
 
     return failed_checks
