check if bwlimit is None

diff --git a/sfa/plc/aggregate.py b/sfa/plc/aggregate.py
index b784355..185e0ca 100644 (file)
--- a/sfa/plc/aggregate.py
+++ b/sfa/plc/aggregate.py
@@ -40,7 +40,8 @@ class Aggregate:
             iface['interface_id'] = interface['interface_id']
             iface['node_id'] = interface['node_id']
             iface['ipv4'] = interface['ip']
-            iface['bwlimit'] = str(int(interface['bwlimit'])/1000)
+            if interface['bwlimit']:
+                iface['bwlimit'] = str(int(interface['bwlimit'])/1000)
             interfaces[iface['interface_id']] = iface
         return interfaces