[issue18238] test_signal.py wait_helper hangs on AIX

[David Edelsohn]

David Edelsohn added the comment:

By the way, if I manually override _has_poll to False, the same test fails similarly in _communicate_with_select, so the failure is not limited to the implementation of poll().

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18238>
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