[issue18994] Inside fcntl module, we does not check the return code of all_ins function

[Charles-François Natali]

Charles-François Natali added the comment:

Vajrasky, thanks for the patch!

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resolution:  -> fixed
stage: patch review -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18994>
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