MAINT remove duplicate category (#21056)

PSSF23 · glemaitre · commit 8f903ca74d3f · 2021-10-25T11:37:00.000+02:00
diff --git a/sklearn/tests/test_common.py b/sklearn/tests/test_common.py
@@ -104,9 +104,7 @@ def _tested_estimators(type_filter=None):
 @parametrize_with_checks(list(_tested_estimators()))
 def test_estimators(estimator, check, request):
     # Common tests for estimator instances
-    with ignore_warnings(
-        category=(FutureWarning, ConvergenceWarning, UserWarning, FutureWarning)
-    ):
+    with ignore_warnings(category=(FutureWarning, ConvergenceWarning, UserWarning)):
         _set_checking_parameters(estimator)
         check(estimator)
 
@@ -304,7 +302,6 @@ def test_search_cv(estimator, check, request):
             FutureWarning,
             ConvergenceWarning,
             UserWarning,
-            FutureWarning,
             FitFailedWarning,
         )
     ):
