- for interface in node.get('interfaces', []):
- node_elem.add_instance('interface', interface, ['component_id', 'client_id', 'ipv4'])
+ if isinstance(node.get('interfaces'), list):
+ for interface in node.get('interfaces', []):
+ node_elem.add_instance('interface', interface, ['component_id', 'client_id', 'ipv4'])