code: def help(self):
      help_text = self._insert_actions_help(viewer_help.strip())
      tabview.TextBox(self.scr, help_text, "Key bindings")()
      self.resize()
  
imports: import curses
  import logging
  from tabview import tabview
label_desc: Use image node_id 11 for calling the Viewer obj's underlying member method code with example usage: obj.help() without return types