[issue46587] datetime and time tests use non-portable "%4Y" format

[Christian Heimes]

Change by Christian Heimes <lists at cheimes.de>:


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keywords: +patch
pull_requests: +29971
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/31873

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46587>
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