Copy comment to docstring.

cournape · Dec 12, 2011 · 98293fc · 98293fc
1 parent 84cff7e
commit 98293fc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/traits/trait_base.py b/traits/trait_base.py
@@ -265,7 +265,8 @@ def __reduce_ex__(self, protocol):
 Undefined = None
 
 class _Undefined(object):
-
+    """ Singleton 'Undefined' object (used as undefined trait name and/or value)
+    """
     def __new__(cls):
         if Undefined is not None:
             return Undefined