Issue #16717: get rid of socket.error, replace with OSError
diff --git a/Lib/test/test_nntplib.py b/Lib/test/test_nntplib.py
index 19fb10a..7cf497a 100644
--- a/Lib/test/test_nntplib.py
+++ b/Lib/test/test_nntplib.py
@@ -264,7 +264,7 @@
                 return False
             try:
                 server.help()
-            except (socket.error, EOFError):
+            except (OSError, EOFError):
                 return False
             return True