https://github.com/python/cpython/commit/46237d19d9a744920a5f2795be642a663bcd843f
commit: 46237d19d9a744920a5f2795be642a663bcd843f
branch: 3.13
author: Miss Islington (bot) <[email protected]>
committer: iritkatriel <[email protected]>
date: 2025-02-20T02:00:49Z
summary:

[3.13] gh-130250: fix cleanup in test (impacts refleaks runs) (GH-130329) 
(#130330)

gh-130250: fix cleanup in test (impacts refleaks runs) (GH-130329)
(cherry picked from commit c718c6be0f82af5eb0e57615ce323242155ff014)

Co-authored-by: Irit Katriel <[email protected]>

files:
M Lib/test/test_traceback.py

diff --git a/Lib/test/test_traceback.py b/Lib/test/test_traceback.py
index 5d24f6850d01e1..321ee2294b9f70 100644
--- a/Lib/test/test_traceback.py
+++ b/Lib/test/test_traceback.py
@@ -518,10 +518,13 @@ def test_print_exception_exc(self):
 
     def test_print_last(self):
         self.assertIsNone(getattr(sys, "last_exc", None))
-        sys.last_exc = ValueError(42)
-        output = StringIO()
-        traceback.print_last(file=output)
-        self.assertEqual(output.getvalue(), "ValueError: 42\n")
+        try:
+            sys.last_exc = ValueError(42)
+            output = StringIO()
+            traceback.print_last(file=output)
+            self.assertEqual(output.getvalue(), "ValueError: 42\n")
+        finally:
+            sys.last_exc = None
 
     def test_format_exception_exc(self):
         e = Exception("projector")

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