code: def __init__(self, *args, **kwargs):
      warn_deprecated(
          "2.2",
          message=(
              "The GTKCairo backend is deprecated. It is "
              "untested and will be removed in Matplotlib "
              "3.0. Use the GTK3Cairo backend instead. See "
              "Matplotlib usage FAQ for more info on "
              "backends."
          ),
          alternative="GTK3Cairo",
      )
      super(FigureCanvasGTKCairo, self).__init__(*args, **kwargs)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import gtk
  from matplotlib import cbook
  from matplotlib.backends import backend_cairo
  from matplotlib.backends.backend_gtk import *
  from matplotlib.backends.backend_gtk import _BackendGTK
label_desc: Use image node_id 1 to create a new FigureCanvasGTKCairo object from inherited base classes: backend_cairo, FigureCanvasGTK with example: obj = FigureCanvasGTKCairo()