docstr: Final cleanup after usage.
docstr_tok: ["Final","cleanup","after","usage","."]
code: def close(self):
      """
      Final cleanup after usage.
      """
  
imports: from abc import ABC, abstractmethod
  import os
  import subprocess
  import typing
  from .util import log
label_desc: Use image node_id 7 for calling the CDataExporter obj's underlying member method code with example usage: obj.close() without return types