code: def __init__(self):
      self.__tmpdir = None
  
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 1 to create a new TmpDir object from inherited base classes: object with example: obj = TmpDir()