parameters: (self)
return_statement: return saver.latest_checkpoint(self.model_dir)
docstring: Finds the filename of latest saved checkpoint file in `model_dir`.
  
      Returns:
        The full path to the latest checkpoint or `None` if no checkpoint was
        found.
docstring_summary: Finds the filename of latest saved checkpoint file in `model_dir`.
docstring_tokens: Finds the filename of latest saved checkpoint file in model_dir .
function: def latest_checkpoint(self):
      """Finds the filename of latest saved checkpoint file in `model_dir`.
  
      Returns:
        The full path to the latest checkpoint or `None` if no checkpoint was
        found.
      """
      return saver.latest_checkpoint(self.model_dir)
function_tokens: def latest_checkpoint ( self ) : return saver . latest_checkpoint ( self . model_dir )