[issue37642] timezone allows no offset from range (23:59, 24:00)

[Paul Ganssle]

Change by Paul Ganssle <p.ganssle at gmail.com>:


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pull_requests: +14950
pull_request: https://github.com/python/cpython/pull/15226

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37642>
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