code: def __init__(self):
      self.identity = mtransforms.IdentityTransform()
      self.identity2 = mtransforms.IdentityTransform()
      # Force use of the more complex composition.
      self.composite = mtransforms.CompositeGenericTransform(
          self.identity, self.identity2
      )
      # Check parent -> child links of TransformWrapper.
      self.wrapper = mtransforms.TransformWrapper(self.composite)
      # Check child -> parent links of TransformWrapper.
      self.composite2 = mtransforms.CompositeGenericTransform(
          self.wrapper, self.identity
      )
  
imports: from io import BytesIO
  import ast
  import pickle
  import pickletools
  import numpy
  import pytest
  import matplotlib
  from matplotlib import cm
  from matplotlib.testing import subprocess_run_helper
  from matplotlib.testing.decorators import check_figures_equal
  from matplotlib.dates import rrulewrapper
  from matplotlib.lines import VertexSelector
  import matplotlib.pyplot
  import matplotlib.transforms
  import matplotlib.figure
  from mpl_toolkits.axes_grid1 import parasite_axes
label_desc: Use image node_id 1 to create a new TransformBlob object  with example: obj = TransformBlob()