Ñò •èRc@`sTdZddklZlZlZddkZddklZhZdd„Z dS(u€A collection of modules for iterating through different kinds of tree, generating tokens identical to those produced by the tokenizer module. To create a tree walker for a new type of tree, you need to do implement a tree walker object (called TreeWalker by convention) that implements a 'serialize' method taking a tree as sole argument and returning an iterator generating tokens. i(tabsolute_importtdivisiontunicode_literalsNi(t default_etreecK`s|iƒ}|tjoí|d jo8dt|f}t|ƒti|}|it| s