[docs] [issue29986] Documentation recommends raising TypeError from tp_richcompare

[Julien Palard]

Change by Julien Palard <julien+python at palard.fr>:


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keywords: +patch
pull_requests: +15716
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16095

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue29986>
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