text: from __future__ import annotations
  
  from prettyqt import widgets
  from prettyqt.qt import QtWidgets
  
  
  QtWidgets.QSizeGrip.__bases__ = (widgets.Widget,)
  
  
  class SizeGrip(QtWidgets.QSizeGrip):
      pass
  
  
  if __name__ == "__main__":
      app = widgets.app()
      w = widgets.Widget()
      widget = SizeGrip(w)
      widget.show()
      app.main_loop()
  