Update SQLAlchemy

libs/sqlalchemy/orm/identity.py

@@ -1,5 +1,5 @@
 # orm/identity.py
-# Copyright (C) 2005-2012 the SQLAlchemy authors and contributors <see AUTHORS file>
+# Copyright (C) 2005-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
 #
 # This module is part of SQLAlchemy and is released under
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
@@ -128,7 +128,7 @@ class WeakInstanceDict(IdentityMap):
                         o = existing_state._is_really_none()
                     if o is not None:
                         raise AssertionError("A conflicting state is already "
-                                        "present in the identity map for key %r" 
+                                        "present in the identity map for key %r"
                                         % (key, ))
                 else:
                     return