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-rw-r--r--Lib/test/test_warnings.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py
index d093994..e008984 100644
--- a/Lib/test/test_warnings.py
+++ b/Lib/test/test_warnings.py
@@ -472,7 +472,7 @@ class _WarningsTests(BaseTest):
with test_support.captured_output('stderr') as stream:
self.module.warn(text)
result = stream.getvalue()
- self.assertTrue(text in result)
+ self.assertIn(text, result)
def test_showwarning_not_callable(self):
with original_warnings.catch_warnings(module=self.module):