[issue31146] Docs: On non-public translations, language picker fallback to "English"

[Julien Palard]

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


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keywords: +patch
pull_requests: +9804
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31146>
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