Kill a small potential leak in test_threading.
The leak may not manifest itself if the OS re-uses the same thread ids
(I suppose Neal's machine doesn't :-))
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index c38eda7..4e0a572 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -111,6 +111,8 @@
thread.start_new_thread(f, ())
done.wait()
self.assertFalse(ident[0] is None)
+ # Kill the "immortal" _DummyThread
+ del threading._active[ident[0]]
# run with a small(ish) thread stack size (256kB)
def test_various_ops_small_stack(self):