diff -r aaa1dc426213 -r ecfb59e4ecb0 ConfigTreeNode.py
--- a/ConfigTreeNode.py	Tue Jan 14 11:04:18 2020 +0100
+++ b/ConfigTreeNode.py	Tue Dec 22 18:05:05 2020 +0100
@@ -46,6 +46,7 @@
 from xmlclass import GenerateParserFromXSDstring
 from PLCControler import LOCATION_CONFNODE
 from editors.ConfTreeNodeEditor import ConfTreeNodeEditor
+from POULibrary import UserAddressedException
 
 _BaseParamsParser = GenerateParserFromXSDstring("""<?xml version="1.0" encoding="ISO-8859-1" ?>
         <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">