code: def import_from_string(self, text, title=None):
          
          data = self.model.get_data()
          # Check if data is a dict
          if not hasattr(data, "keys"):
              return
          editor = ImportWizard(self, text, title=title,
                                contents_title=_("Clipboard contents"),
                                varname=fix_reference_name("data",
                                                           blacklist=list(data.keys())))
          if editor.exec_():
              var_name, clip_data = editor.get_data()
              self.new_value(var_name, clip_data)
docs: Import data from string