> A few comments:
> 1)
>    with cv:
>        make_an_item_available()
> +       cv.notify()

Did I forget this? Ow.

> 2) one of the benefits of wait_for() is that it automates the tricky
> timekeeping needed if one wants an somewhat accurate timeout, you may
> want to mention this specifically.

Ok.

> 3) the offending part.  I see that you don't want to use the technical
> terms of spurious wakeups or stolen wakeups. That's ok, but the
> resulting explanation is somwhat bogus.  I suggest the following:
> 
> The ``while`` loop checking for the application's condition is
> necessary
> because :meth:`~Condition.wait` can return after an arbitrary long
> time, and the condition which prompted the :meth:`~Condition.notify`
> call may not yet, or no longer, hold true.  This is an inherent
> property of multi-threaded programming and the use of this pattern is
> essential for the robust use of Condition objects.

But, once again, "the condition may not yet hold true" is false.
However, the rest of the suggestion looks good, thanks.