Martin Panter added the comment:
What’s the point of the catch_warnings() and filterwarnings() calls in the
tests? They don’t seem to be doing much; I think the CleanContext manager is
already enabling warnings. Perhaps you could call simplefilter("error",
ResourceWarning) instead.
Also I’m not enthusiastic about the iterparse() API when passing a file name.
If it has to stay, maybe there should be an explicit way to clean it up without
exhausting the iterator, like a generator.close() method.
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nosy: +martin.panter
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<http://bugs.python.org/issue25688>
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