(self, ex: Exception)
Invoked when an exception occurs during the calculation.
        Override in order to handle exceptions, eg. show an error
        message in the widget.

        :param ex: exception
Invoked when an exception occurs during the calculation.
        Override in order to handle exceptions, eg. show an error
        message in the widget.
Invoked when an exception occurs during the calculation . Override in order to handle exceptions eg . show an error message in the widget .
def on_exception(self, ex: Exception):
        """ Invoked when an exception occurs during the calculation.
        Override in order to handle exceptions, eg. show an error
        message in the widget.

        :param ex: exception
        """
        raise ex
def on_exception ( self , ex : Exception ) : raise ex