Issue #12151: Correction to diagnostic code.

diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 6c66ff109ccc25f4b33bc295d4d23c7064229a82..8166b3366d5562e25af01d0e642323741232021a 100644 (file)
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -901,7 +901,7 @@ if threading:
                     except socket.error:
                         msg = ('Error during finish, while sending %r, '
                                'closed = %s')
-                        print(msg % (data, self._closed), file=sys.stderr)
+                        print(msg % (data, self.server._closed), file=sys.stderr)
                         raise
 
             ThreadingUDPServer.__init__(self, addr, DelegatingUDPRequestHandler,