# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1267145786 -3600
# Node ID fbb411daecea835a23a44f1546dbd6266f8110d3
# Parent  72af990b63cfcede9d32547dbeb1e8faa7912972
Prevented propagation of mutable users information.
Tidied dictionary traversal.

diff -r 72af990b63cf -r fbb411daecea micropython/data.py
--- a/micropython/data.py	Fri Feb 26 01:26:01 2010 +0100
+++ b/micropython/data.py	Fri Feb 26 01:56:26 2010 +0100
@@ -423,7 +423,7 @@
         d.update(self.loop_users[-1])
 
         if loop_node is not None:
-            for name, nodes in new_users.items():
+            for name in new_users.keys():
                 if not d.has_key(name):
                     d[name] = set([loop_node])
                 else:
@@ -482,7 +482,7 @@
 
                 if nodes:
                     if not new_users.has_key(name):
-                        new_users[name] = nodes
+                        new_users[name] = set(nodes)
                     else:
                         new_users[name].update(nodes)