def test_coroutine_error(self):

        # def test_coroutine_error(self):

            evl = self.evl

        #     evl = self.evl

            @asyncio.coroutine

        #     @asyncio.coroutine

            def error_coro():

        #     def error_coro():

                result = 1 / 0 # Simulate error in coroutine

        #         result = 1 / 0 # Simulate error in coroutine

                yield result

        #         yield result

            asyncio.ensure_future(error_coro())

        #     asyncio.ensure_future(error_coro())

            self.assertRaises(ZeroDivisionError, evl.run)

        #     self.assertRaises(ZeroDivisionError, evl.run)