bpo-41338: Fix DeprecationWarning in tests (GH-21542)
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index a92870c..3816022 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -10,6 +10,7 @@
import gc
import pickle
from test import support
+from test.support import warnings_helper
from itertools import permutations
from textwrap import dedent
from collections import OrderedDict
@@ -251,6 +252,7 @@
@support.cpython_only
@support.requires_legacy_unicode_capi
+ @warnings_helper.ignore_warnings(category=DeprecationWarning)
def test_writerows_legacy_strings(self):
import _testcapi
c = _testcapi.unicode_legacy_string('a')