diff --git a/IPython/external/ssh/__init__.py b/IPython/external/ssh/__init__.py
index e69de29..9e5e8b9 100644
--- a/IPython/external/ssh/__init__.py
+++ b/IPython/external/ssh/__init__.py
@@ -0,0 +1,7 @@
+"""This is a copy of zmq.ssh"""
+
+try:
+    from zmq.ssh import *
+except ImportError:
+    from . import tunnel
+    from .tunnel import *