[issue38738] Fix formatting of True and False

[Serhiy Storchaka]

Change by Serhiy Storchaka <storchaka+cpython at gmail.com>:


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pull_requests: +16633
pull_request: https://github.com/python/cpython/pull/17125

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38738>
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