test_asyncore: wait explicitly for a thread termination (this dangling thread
could be the cause of a random failure).
diff --git a/Lib/test/test_asyncore.py b/Lib/test/test_asyncore.py
index 5f55df8..8989a63 100644
--- a/Lib/test/test_asyncore.py
+++ b/Lib/test/test_asyncore.py
@@ -738,6 +738,7 @@
server = TCPServer()
t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=500))
t.start()
+ self.addCleanup(t.join)
for x in range(20):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)