[docs] [issue18610] wsgiref.validate expects wsgi.input read to give exactly one arg

[Cheryl Sabella]

Change by Cheryl Sabella <cheryl.sabella at gmail.com>:


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pull_requests: +11467, 11468
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue18610>
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