--- a/bindings/python/ns3modulegen.py	Wed Jan 13 09:58:37 2010 -0500
+++ b/bindings/python/ns3modulegen.py	Thu Jan 14 11:45:04 2010 +0000
@@ -95,6 +95,7 @@
     ns3modulegen_core_customizations.CommandLine_customizations(root_module)
     ns3modulegen_core_customizations.TypeId_customizations(root_module)
     ns3modulegen_core_customizations.add_std_ofstream(root_module)
+    ns3modulegen_core_customizations.add_ipv4_address_tp_hash(root_module)
 
 
     for local_module in LOCAL_MODULES: