code: def trigger(self, *args):
      if Gtk.check_version(3, 20, 0) is None:
          self._show_shortcuts_window()
      else:
          self._show_shortcuts_dialog()
  
imports: import functools
  import logging
  import os
  from pathlib import Path
  import matplotlib
  from matplotlib import _api, backend_tools, cbook
  from matplotlib.backend_bases import ToolContainerBase, CloseEvent, KeyEvent, LocationEvent, MouseEvent, ResizeEvent
  from gi.repository import Gio, GLib, GObject, Gtk, Gdk
  from .None import _backend_gtk
  from ._backend_gtk import _BackendGTK, _FigureCanvasGTK, _FigureManagerGTK, _NavigationToolbar2GTK, TimerGTK
label_desc: Use image node_id 5 for calling the HelpGTK3 obj's underlying member method code with example usage: obj.trigger() without return types