[issue22755] contextlib.closing documentation should use a new example

[Martin Panter]

Martin Panter added the comment:

One exception that comes to mind is generators. According to Issue 13814, it is deliberate that you have to call close(), so perhaps someone could come up with an example based on that.

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nosy: +vadmium

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22755>
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