code: def __init__(self):
      QtWidgets.QGraphicsObject.__init__(self)
  
file_path: pyqtgraph/pyqtgraph/examples/GraphicsScene.py
imports: import pyqtgraph
  from pyqtgraph.Qt import QtCore, QtWidgets
label_desc: Use image node_id 1 to create a new Obj object from inherited base classes: QtWidgets with example: obj = Obj()