parameters: (self, root)
docstring: Subclasses of Treeprocessor should implement a `run` method, which
          takes a root ElementTree. This method can return another ElementTree
          object, and the existing root ElementTree will be replaced, or it can
          modify the current tree and return None.
docstring_summary: Subclasses of Treeprocessor should implement a `run` method, which
          takes a root ElementTree. This method can return another ElementTree
          object, and the existing root ElementTree will be replaced, or it can
          modify the current tree and return None.
docstring_tokens: Subclasses of Treeprocessor should implement a run method which takes a root ElementTree . This method can return another ElementTree object and the existing root ElementTree will be replaced or it can modify the current tree and return None .
function: def run(self, root):
          """
          Subclasses of Treeprocessor should implement a `run` method, which
          takes a root ElementTree. This method can return another ElementTree
          object, and the existing root ElementTree will be replaced, or it can
          modify the current tree and return None.
          """
          pass
function_tokens: def run ( self , root ) : pass