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-rw-r--r--Lib/test/test_threading.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index 8737c3d..b8265aa 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -154,8 +154,7 @@ class ThreadTests(BaseTestCase):
# Wait for the thread to finish.
mutex.acquire()
self.assertIn(tid, threading._active)
- self.assertTrue(isinstance(threading._active[tid],
- threading._DummyThread))
+ self.assertIsInstance(threading._active[tid], threading._DummyThread)
del threading._active[tid]
# PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)