code: def pg_widget(self):
      return self
  
file_path: PandasGUI/pandasgui/widgets/json_viewer.py
imports: import sys
  from typing import Union, List
  from PyQt5 import QtCore, QtGui, QtWidgets
  from pandasgui.store import PandasGuiStoreItem
  from pandasgui.utility import summarize_json, traverse_tree_widget
  from pandasgui.widgets import base_widgets
label_desc: Use image node_id 4 for calling the JsonViewer obj's underlying member method code with example usage: obj.pg_widget() and returns: self