[docs] [issue27605] Inconsistent calls to __eq__ from built-in __contains__

[Cheryl Sabella]

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


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assignee:  -> docs at python
components: +Documentation
nosy: +docs at python
stage:  -> needs patch
versions: +Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue27605>
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