[issue20599] test_cleanup() of test_builtin failed

[STINNER Victor]

STINNER Victor added the comment:

> Sorry, issue20599_ascii_ioencoding.patch doesn't fix the issue.

Sorry again, I didn't read issue20599_ascii_ioencoding.patch carefully: it doesn't make sense to use the isolated mode and to set a Python environment variable (PYTHONIOENCODING). The purpose of the isolated mode is to ignore all Python environment variables...

I (hope I) fixed the test, but in fact, the test showed another bug: print() cannot be used during Python exit in destructor. It means for example that Python may not be able to display errors at exit.

I don't know if this issue should be closed. Maybe a new issue should be opened to address the codec issue at exit?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20599>
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