Use self.__class__ to instantiate a TreeNode item recursively, to

allow subclassing.

diff --git a/Tools/idle/TreeWidget.py b/Tools/idle/TreeWidget.py
index be80a635e58e688593dd7ab330ff0ea0cd7d1897..37bc58f2ead6b47106b351424454c89ac7e82bc4 100644 (file)
--- a/Tools/idle/TreeWidget.py
+++ b/Tools/idle/TreeWidget.py
@@ -187,7 +187,7 @@ class TreeNode:
                 # _IsExpandable() was mistaken; that's allowed
                 return y+17
             for item in sublist:
-                child = TreeNode(self.canvas, self, item)
+                child = self.__class__(self.canvas, self, item)
                 self.children.append(child)
         cx = x+20
         cy = y+17