docs: def get_leaf_node_path_list(self, sep=os.path.sep, type_str=None):
          """Get paths for all leaf nodes for the tree rooted at this node.
  
          Args:
              sep: str
                  One or more characters to insert between each element in the path.
                  Defaults to "/" on Unix and "\" on Windows.
  
              type_str:
                  SUBJECT_NODE_TAG, TYPE_NODE_TAG or None. If set, only include
                  information from nodes of that type.
  
          Returns:
              list of str: The paths to the leaf nodes for the tree rooted at this node.
  
          """
          return [v.get_path_str(sep, type_str) for v in self.leaf_node_gen]