code: def get_filepath_or_buffer(
      filepath_or_buffer, encoding=None, compression=None, mode=None
  ):
      if mode is None:
          mode = "rb"
  
      fs = gcsfs.GCSFileSystem()
      filepath_or_buffer = fs.open(filepath_or_buffer, mode)
      return filepath_or_buffer, None, compression, True
  
label_desc: Use image node_id 1 for calling a global function with example usage: get_filepath_or_buffer(filepath_or_buffer, encoding, compression, mode) and returns: filepath_or_buffer,  None,  compression,  True