[issue35643] SyntaxWarning: invalid escape sequence in Modules/_sha3/cleanup.py

[miss-islington]

Change by miss-islington <mariatta.wijaya+miss-islington at gmail.com>:


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pull_requests: +10804, 10805, 10806, 10807, 10808

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35643>
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