diff -r b328f8ccbccf Lib/idlelib/GrepDialog.py
--- a/Lib/idlelib/GrepDialog.py	Sun Feb 16 13:49:16 2014 -0500
+++ b/Lib/idlelib/GrepDialog.py	Sat Feb 22 16:29:52 2014 +0200
@@ -98,7 +98,7 @@
     def findfiles(self, dir, base, rec):
         try:
             names = os.listdir(dir or os.curdir)
-        except OSerror as msg:
+        except OSError as msg:
             print(msg)
             return []
         list = []