Issue #14727: Fix race in test_multiprocessing
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index dca6b42..a839917 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -2003,8 +2003,8 @@
 
         l = socket.socket()
         l.bind(('localhost', 0))
-        conn.send(l.getsockname())
         l.listen(1)
+        conn.send(l.getsockname())
         new_conn, addr = l.accept()
         conn.send(new_conn)
         new_conn.close()