def Notify(self):
        try:
            self.callable(*self.args, **self.kw_args)
        except StopIteration:
            self.stop()
        except:
            self.stop()
            raise
Call the given callable.  Exceptions raised in the callable are
dataset/ETHPy150Open enthought/pyface/pyface/ui/qt4/timer/timer.py/Timer.Notify