Merge pull request #561 from enthought/maint/fix-tree-insert-559

Maint: Fix tree node insert
enthought · May 30, 2019 · a324afc · a324afc
2 parents 76dbfbf + eadc945
commit a324afc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/traitsui/tree_node.py b/traitsui/tree_node.py
@@ -246,7 +246,7 @@ def append_child(self, object, child):
     def insert_child(self, object, index, child):
         """ Inserts a child into the object's children.
         """
-        children = self.get_children()
+        children = self.get_children(object)
         children[index:index] = [child]
 
     #-------------------------------------------------------------------------