1 files changed, 2 insertions, 1 deletions
diff --git a/__init__.py b/__init__.py
index 7b06bb1..2d1324c 100644
--- a/__init__.py
+++ b/__init__.py
@@ -60,8 +60,9 @@ class dictattr(dict):
 class nullobject(object):
     def __repr__(self):
         return '<nullobject>'
-    def __nonzero__(self):
+    def __bool__(self):
         return False
+    __nonzero__ = __bool__
 
 class tempattr(object):
     def __init__(self, obj, attr, value):