From 56fa18c7ade7e4ca781779cd795a7bf4f4bd462d 2014-03-19 16:40:04
From: Thomas Kluyver <takowl@gmail.com>
Date: 2014-03-19 16:40:04
Subject: [PATCH] Fix import of socketserver on Python 3.

Closes gh-5382

---

diff --git a/IPython/external/ssh/forward.py b/IPython/external/ssh/forward.py
index 983ee51..2d61946 100644
--- a/IPython/external/ssh/forward.py
+++ b/IPython/external/ssh/forward.py
@@ -29,16 +29,19 @@ from __future__ import print_function
 
 import logging
 import select
-import SocketServer
+try:  # Python 3
+    import socketserver
+except ImportError:  # Python 2
+    import SocketServer as socketserver
 
 logger = logging.getLogger('ssh')
 
-class ForwardServer (SocketServer.ThreadingTCPServer):
+class ForwardServer (socketserver.ThreadingTCPServer):
     daemon_threads = True
     allow_reuse_address = True
     
 
-class Handler (SocketServer.BaseRequestHandler):
+class Handler (socketserver.BaseRequestHandler):
 
     def handle(self):
         try: