from contextlib import contextmanager



class A():
    def b(self):
        return "Hello"
    @property
    def cm(self):
        @contextmanager
        def stuff():
            print("start")
            try:
                yield None
                #yield 2
            except Exception:
                pass
            print("end")
            
        return stuff
            
    def p(self):
        with self.cm() as i:
            print(f"{i} middle")
            raise Exception
a=A()


a.p()