From 5b09a8137f8beff3ebf4ad242f0f7c9a816dc25d 2012-09-01 16:52:17
From: MinRK <benjaminrk@gmail.com>
Date: 2012-09-01 16:52:17
Subject: [PATCH] fix missing imports in core.interactiveshell

introduced in cf15c8f0ed4493492b50e8fccb72175157afac7c

closes #2372
---

diff --git a/IPython/core/interactiveshell.py b/IPython/core/interactiveshell.py
index e8c471e..87525f6 100644
--- a/IPython/core/interactiveshell.py
+++ b/IPython/core/interactiveshell.py
@@ -29,17 +29,11 @@ import runpy
 import sys
 import tempfile
 import types
-
-# We need to use nested to support python 2.6, once we move to >=2.7, we can
-# use the with keyword's new builtin support for nested managers
-try:
-    from contextlib import nested
-except:
-    from IPython.utils.nested_context import nested
+import urllib
+from io import open as io_open
 
 from IPython.config.configurable import SingletonConfigurable
 from IPython.core import debugger, oinspect
-from IPython.core import history as ipcorehist
 from IPython.core import magic
 from IPython.core import page
 from IPython.core import prefilter