Index: Lib/idlelib/IOBinding.py
===================================================================
--- Lib/idlelib/IOBinding.py	(revision 86960)
+++ Lib/idlelib/IOBinding.py	(working copy)
@@ -171,10 +171,13 @@
                     interp = self.editwin.interp
                 except AttributeError:
                     interp = None
-                if not self.filename and self.get_saved() and not interp:
-                    self.editwin.flist.open(filename, self.loadfile)
-                else:
-                    self.editwin.flist.open(filename)
+				try:
+		            if not self.filename and self.get_saved() and not interp:
+		                self.editwin.flist.open(filename, self.loadfile)
+		            else:
+		                self.editwin.flist.open(filename)
+				except AttributeError:
+					pass
             else:
                 self.text.focus_set()
             return "break"