From c75cc9e4e602dbf58f72df76422355588c55c759 Mon Sep 17 00:00:00 2001
From: MinRK <benjaminrk@gmail.com>
Date: Sat, 14 Apr 2012 16:04:43 -0700
Subject: [PATCH] py3compat._modify_str_or_docstring should check against
 basestring

---
 IPython/utils/py3compat.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IPython/utils/py3compat.py b/IPython/utils/py3compat.py
index 2c9df7c3998..b6c27f9d27c 100644
--- a/IPython/utils/py3compat.py
+++ b/IPython/utils/py3compat.py
@@ -32,7 +32,7 @@ def cast_bytes(s, encoding=None):
 def _modify_str_or_docstring(str_change_func):
     @functools.wraps(str_change_func)
     def wrapper(func_or_str):
-        if isinstance(func_or_str, str):
+        if isinstance(func_or_str, basestring):
             func = None
             doc = func_or_str
         else: