code: def get_latest_checkpoint_path(self) -> str:
      return (
          self._saved_paths[-1] if len(self._saved_paths) > 0 else None
      )
  
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 7 for calling the CheckpointManager obj's underlying member method code with example usage: obj.get_latest_checkpoint_path() and returns: unknown