code: def __exit__(self, *exc):
      # Make sure any exported data is released.
      for i in range(self.required_gc_runs):
          self.run_gc()
      self.close()
  
imports: from abc import ABC, abstractmethod
  import os
  import subprocess
  import typing
  from .util import log
label_desc: Use image node_id 8 for calling the CDataImporter obj's underlying member method code with example usage: obj.__exit__() without return types