diff --git a/composer/rule/base.py b/composer/rule/base.py
index 1a74245..05edbf7 100644
--- a/composer/rule/base.py
+++ b/composer/rule/base.py
@@ -158,4 +158,4 @@ class ActionHandler(object):
         self.context = context
 
     def __call__(self, data, params={}):
-        pass
+        return data