code: def __init__(self, renderer):
      GraphicsContextBase.__init__(self)
      self.renderer = renderer
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import gzip
  import sys
  import warnings
  import numpy
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase, RendererBase
  from matplotlib.mathtext import MathTextParser
  from matplotlib.path import Path
  from matplotlib.transforms import Affine2D
  from matplotlib.font_manager import ttfFontProperty
label_desc: Use image node_id 1 to create a new GraphicsContextCairo object from inherited base classes: GraphicsContextBase with example: obj = GraphicsContextCairo(renderer)