code: def list(self) -> List[str]:
      return self._saved_paths
  
imports: import abc
  from typing import List
  import torch
  from pytext.utils.file_io import PathManager
  from pytext.utils.usage import log_class_usage
label_desc: Use image node_id 6 for calling the CheckpointManager obj's underlying member method code with example usage: obj.list() and returns: self