docstr: Add a single shot timer with the given callback
docstr_tok: ["Add","a","single","shot","timer","with","the","given","callback"]
code: def _single_shot_timer(self, callback):
      """Add a single shot timer with the given callback"""
  
      # We need to explicitly stop and remove the timer after
      # firing, otherwise segfaults will occur when trying to deallocate
      # the singleshot timers.
      def callback_func(callback, timer):
          callback()
          self._timers.remove(timer)
          timer.stop()
  
      timer = self.new_timer(interval=0)
      timer.single_shot = True
      timer.add_callback(callback_func, callback, timer)
      self._timers.add(timer)
      timer.start()
  
imports: import os
  import matplotlib
  from matplotlib import _api, cbook
  from matplotlib._pylab_helpers import Gcf
  from .None import _macosx
  from .backend_agg import FigureCanvasAgg
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2, ResizeEvent, TimerBase, _allow_interrupt
label_desc: Use image node_id 4 for calling the FigureCanvasMac obj's underlying member method code with example usage: obj._single_shot_timer(callback) without return types