code: def remove_rubberband(self):
      self.canvas._draw_rubberband(None)
  
imports: import logging
  import sys
  import matplotlib
  from matplotlib import _api, backend_tools, cbook
  from matplotlib._pylab_helpers import Gcf
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2, TimerBase
  from matplotlib.backend_tools import Cursors
  import gi
  from gi.repository import Gdk, Gio, GLib, Gtk
label_desc: Use image node_id 3 for calling the _NavigationToolbar2GTK obj's underlying member method code with example usage: obj.remove_rubberband() without return types