[issue14502] Document better what happens on releasing an unacquired lock

[R. David Murray]

R. David Murray <rdmurray at bitdance.com> added the comment:

It doesn't matter *how* you get to the situation where you are releasing a lock that hasn't been acquired, the point is to document what actually happens when you do the release.  And just yesterday I needed to know this, since I have a lock that may or may not be currently held when I release it, and now I know I can just catch RuntimeError in that case.

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nosy: +r.david.murray

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14502>
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