code: def __exit__(self, exc_type, exc_val, exc_tb):
      if self.__tmpdir is not None:
          shutil.rmtree(self.__tmpdir)
  
imports: import csv
  import os
  import shutil
  import subprocess
  import tempfile
  import unittest
  import matplotlib
  from six.moves import xrange
  from pyalgotrade import dataseries
label_desc: Use image node_id 3 for calling the TmpDir obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_val, exc_tb) without return types