docstr: Override to use cairo (rather than GDK) renderer
docstr_tok: ["Override","to","use","cairo","(","rather","than","GDK",")","renderer"]
code: def _renderer_init(self):
      """Override to use cairo (rather than GDK) renderer"""
      self._renderer = RendererGTKCairo(self.figure.dpi)
  
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 2 for calling the FigureCanvasGTKCairo obj's underlying member method code with example usage: obj._renderer_init() without return types