code: def __init__(self):
      self._proc = None
      # We cannot rely on the GC to trigger `__del__` at exit because
      # other modules (e.g. `subprocess`) may already have their globals
      # set to `None`, which make `proc.communicate` or `proc.terminate`
      # fail.  By relying on `atexit` we ensure the destructor runs before
      # `None`-setting occurs.
      atexit.register(self.__del__)
  
imports: from __future__ import absolute_import, division, print_function
  import six
  import atexit
  import functools
  import hashlib
  import itertools
  import os
  import re
  import shutil
  import sys
  from tempfile import TemporaryFile
  import numpy
  import matplotlib
  from matplotlib.compat import subprocess
  from matplotlib.testing.exceptions import ImageComparisonFailure
  from matplotlib import _png
  from matplotlib import _get_cachedir
  from matplotlib import cbook
label_desc: Use image node_id 1 to create a new _SVGConverter object from inherited base classes: object with example: obj = _SVGConverter()