#!/usr/bin/env python3

from PySide2 import QtCore, QtGui, QtWidgets


class Window(QtWidgets.QWidget):
	def __init__(self):
		super().__init__()
		
		scene = QtWidgets.QGraphicsScene()
		rect = scene.addRect(QtCore.QRectF(100,100,100,100),
				pen=QtGui.QPen(QtGui.QColor('red')),
				brush=QtGui.QBrush(QtGui.QColor('yellow')),
				)
		view = QtWidgets.QGraphicsView(scene)
		self.scene = scene
		self.view = view
		self.rect = rect
		view.show()

app = QtWidgets.QApplication([])
win = Window()
#win.show()

app.exec()