for robustness

diff --git a/PLC/Methods/RefreshPeer.py b/PLC/Methods/RefreshPeer.py
index 49ef25f..4d66a05 100644 (file)
--- a/PLC/Methods/RefreshPeer.py
+++ b/PLC/Methods/RefreshPeer.py
@@ -471,7 +471,7 @@ class RefreshPeer(Method):
 
             # Nodes that are currently part of the slice
            old_slice_node_ids = [ node_transcoder[node_id] for node_id in slice['node_ids'] \
-                                  if node_transcoder[node_id] in peer_nodes]
+                                  if node_id in node_transcoder and node_transcoder[node_id] in peer_nodes]
 
             # Nodes that should be part of the slice
            slice_node_ids = [ node_id for node_id in peer_slice['node_ids'] if node_id in peer_nodes]