69             if not self.__exit__(*sys.exc_info()):
73     def __exit__(self, *exc_info):  argument
77         ex = exc_info
83                 ex = sys.exc_info()
85         if ex is not exc_info:
100     def __exit__(self, *exc_info):  argument
102         self.exit_args = exc_info
103         return Nested.__exit__(self, *exc_info)
691         def __exit__(self, *exc_info):  argument
693             self.exc_info = exc_info
702         def __exit__(self, *exc_info): pass  argument
706         def __exit__(self, *exc_info): raise RuntimeError()  argument
742         self.assertNotEqual(a.exc_info[0], None)