From 0892c8476bbadd444df2c7f8b33f60203aca8e00 Mon Sep 17 00:00:00 2001
From: Andy Bavier <acb@cs.princeton.edu>
Date: Mon, 8 Feb 2010 22:07:26 +0000
Subject: [PATCH] Minor fix

---
 sfa/plc/network.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sfa/plc/network.py b/sfa/plc/network.py
index 73745f6a..7974e3ab 100644
--- a/sfa/plc/network.py
+++ b/sfa/plc/network.py
@@ -347,6 +347,9 @@ class Network:
         return tags
     
     def __process_attributes(self, element, node=None):
+        if element is None:
+            return 
+
         # Do we need to check caller's role before update???
         tagtypes = self.getTagTypes()
         for tt in tagtypes:
-- 
2.43.0