[issue15505] unittest.installHandler incorrectly assumes SIGINT handler is set.

[Gregory P. Smith]

Changes by Gregory P. Smith <greg at krypto.org>:


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assignee:  -> gregory.p.smith
keywords: +needs review
nosy: +gregory.p.smith

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15505>
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