Serhiy Storchaka added the comment:

Raymond's patch looks even more cumbersome than previous code. And it doesn't 
work in some cases:

>>> it = itertools.cycle([-2, -1])
>>> class Index:
...     def __index__(self): return next(it)
... 
>>> itertools.repeat(42, times=Index())
repeat(42, -1)

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue19145>
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