parameters: (self, tree, filename)
docstring: Some fixers need to maintain tree-wide state.
          This method is called once, at the conclusion of tree fix-up.
  
          tree - the root node of the tree to be processed.
          filename - the name of the file the tree came from.
docstring_summary: Some fixers need to maintain tree-wide state.
          This method is called once, at the conclusion of tree fix-up.
docstring_tokens: Some fixers need to maintain tree - wide state . This method is called once at the conclusion of tree fix - up .
function: def finish_tree(self, tree, filename):
          """Some fixers need to maintain tree-wide state.
          This method is called once, at the conclusion of tree fix-up.
  
          tree - the root node of the tree to be processed.
          filename - the name of the file the tree came from.
          """
          pass
function_tokens: def finish_tree ( self , tree , filename ) : pass