code: def new_gc(self):
      self.gc.ctx.save()
      self.gc._alpha = 1
      self.gc._forced_alpha = (
          False  # if True, _alpha overrides A from RGBA
      )
      return self.gc
  
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 13 for calling the RendererCairo obj's underlying member method code with example usage: obj.new_gc() and returns: self