1 files changed, 6 insertions, 2 deletions
diff --git a/astroid/util.py b/astroid/util.py
index 20c44d72..439d967d 100644
--- a/astroid/util.py
+++ b/astroid/util.py
@@ -33,10 +33,10 @@ def reraise(exception):
 
 
 @object.__new__
-class YES(object):
+class Uninferable(object):
     """Special inference object, which is returned when inference fails."""
     def __repr__(self):
-        return 'YES'
+        return 'Uninferable'
 
     def __getattribute__(self, name):
         if name == 'next':
@@ -66,3 +66,7 @@ def proxy_alias(alias_name, node_type):
                  {'__class__': object.__dict__['__class__'],
                   '__instancecheck__': _instancecheck})
     return proxy(lambda: node_type)
+
+
+# Backwards-compatibility aliases
+YES = Uninferable