diff --git a/zipline/protocol.py b/zipline/protocol.py
index 409dcd2a..e746dedb 100644
--- a/zipline/protocol.py
+++ b/zipline/protocol.py
@@ -166,7 +166,7 @@ class Account(object):
         return "Account({0})".format(self.__dict__)
 
     def serialize(self):
-        return  'Account', self.__dict__
+        return 'Account', self.__dict__
 
     def reconstruct(self, saved_state):
         self.__dict__.update(saved_state)