[docs] [issue37598] Don't use _ as a function name in logging documentation cookbook

[Vinay Sajip]

Change by Vinay Sajip <vinay_sajip at yahoo.co.uk>:


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resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37598>
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