[issue8850] Remove "w" format of PyParse_ParseTuple()

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

I'd point out that "w#" is mostly useless too. It's supposed to return a read-write buffer, but as the doc says it also doesn't support "mutable objects", since it isn't able to properly lock/pin the buffer; therefore it probably doesn't support anything useful.

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nosy: +pitrou

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<http://bugs.python.org/issue8850>
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