class_docstr: Abstract filesystem interface
class_docstr_tok: ["Abstract","filesystem","interface"]
code: def path_join(self, *args):
      return self.pathsep.join(args)
  
imports: import os
  from abc import ABC, abstractmethod
  from urllib.parse import urlparse
  from typing import Union, List, Dict, Tuple, BinaryIO, TextIO, Iterator
  from ...utils import stringify_path
label_desc: Use image node_id 5 for calling the FileSystem obj's underlying member method code with example usage: obj.path_join() and returns: self