attachment for the BitBucket issue #15

15.diff

--- a/rope/base/builtins.py	2011-08-06 17:26:01.551268025 +0430
+++ b/rope/base/builtins.py	2011-08-06 17:26:44.901331605 +0430
@@ -123,7 +123,9 @@
     for name in dir(obj):
         if name == 'None':
             continue
-        child = getattr(obj, name)
+        child = getattr(obj, name, None)
+        if child is None:
+        	continue
         pyobject = None
         if inspect.isclass(child):
             pyobject = BuiltinClass(child, {}, parent=parent)