From 2ebd6bdff85bcc07e806388542b4c9684df281ac Mon Sep 17 00:00:00 2001
From: Andy Bavier <acb@cs.princeton.edu>
Date: Tue, 9 Feb 2010 16:32:41 +0000
Subject: [PATCH]

---
 sfa/plc/network.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sfa/plc/network.py b/sfa/plc/network.py
index 16a44676..d5ef4069 100644
--- a/sfa/plc/network.py
+++ b/sfa/plc/network.py
@@ -144,7 +144,8 @@ class Slice:
     def get_nodes(self):
         n = []
         for id in self.node_ids:
-            n.append(self.network.nodes[id])
+            if id in self.network.nodes:
+                n.append(self.network.nodes[id])
         return n
   
     # Add a new slice tag   
-- 
2.43.0