Method rindex

Lib/test/test_bytes.py:2655–2659

(b, a)

            assert a.rfind(b'\xdd') == -1

        def rindex(b, a):
            b.wait()
            try: a.rindex(b'\xdd')
            except ValueError: return
            assert False

        def rpartition(b, a):
            b.wait()