Removed obsolete docstring from WhereNode.clone().
Node.subtree_parents was removed in
That commit also added
Q.clone() which was identical to WhereNode.clone(), but lacked the
docstring. Q.clone() was later removed in
@@ -171,11 +171,6 @@ class WhereNode(tree.Node):
self.children[pos] = child.relabeled_clone(change_map)
def clone(self):
- """
- Create a clone of the tree. Must only be called on root nodes (nodes
- with empty subtree_parents). Childs must be either (Constraint, lookup,
- value) tuples, or objects supporting .clone().
- """
clone = self.__class__._new_instance(
children=None,
connector=self.connector,
