def deleteLater(self):
        """ Avoids an error when the widget has already been deleted.

            Fixes jupyter/qtconsole#507.
        """
        try:
            return super().deleteLater()
        except RuntimeError:
            pass
 Avoids an error when the widget has already been deleted.

            Fixes jupyter/qtconsole#507.
        
angrmanagement/vendor/qtconsole/call_tip_widget.py