class_docstr: The standalone disk usage metric.
  
  This metric can be used to monitor the size of a set of directories.
  e.g. This can be useful to monitor the size of a replay buffer,
docstr: Resets the metric.
  
  :return: None.
docstr_tok: ["Resets","the","metric",".",":","return",":","None","."]
code: def reset(self) -> None:
      """
      Resets the metric.
  
      :return: None.
      """
      self.total_usage = 0
  
imports: import os
  from pathlib import Path
  from typing import Union, Sequence, List, Optional
  from avalanche.evaluation import Metric, GenericPluginMetric
label_desc: Use image node_id 4 for calling the DiskUsage obj's underlying member method code with example usage: obj.reset() without return types