code: def draw_tree(node,
                child_iter=lambda n: n.children,
                text_str=str):
      
      return LeftAligned(traverse=Traversal(get_text=text_str,
                                            get_children=child_iter),
                         draw=LegacyStyle())(node)
docs: Support asciitree 0.2 API.
  
      This function solely exist to not break old code (using asciitree 0.2).
      Its use is deprecated.