[issue19421] FileIO destructor imports indirectly the io module at exit

[Martin Panter]

Martin Panter added the comment:

For the record, the python-dev thread about blocking imports is at <https://mail.python.org/pipermail/python-dev/2013-October/129907.html>. It sounded like the conclusion was that there shouldn’t be a problem importing a module at finalization.

I am investigating Issue 21049, and finding sys.meta_path is set to None at finalization, which is not handled well by the import code.

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nosy: +vadmium

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<http://bugs.python.org/issue19421>
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