code: def __show_dialog(self, title, contents):
      help_dialog = cellprofiler.gui.htmldialog.HTMLDialog(
          self.frame,
          title,
          cellprofiler.gui.html.utils.rst_to_html_fragment(contents),
      )
  
      help_dialog.Show()
  
imports: import wx
  import cellprofiler.gui.html.utils
  import cellprofiler.gui.htmldialog
label_desc: Use image node_id 3 for calling the Menu obj's underlying member method code with example usage: obj.__show_dialog(title, contents) without return types