--- a/ConfigTreeNode.py	Sun Apr 07 16:23:49 2019 +0200
+++ b/ConfigTreeNode.py	Sun Apr 07 21:08:07 2019 +0200
@@ -127,7 +127,7 @@
         # TODO match config's fields name and fields contents
         return reduce(add, [
             CTNChild.CTNSearch(criteria)
-            for CTNChild in self.IterChildren()],[])
+            for CTNChild in self.IterChildren()], [])
 
     def GetIconName(self):
         return None