[issue9815] test_tarfile sometimes ends with error "Cannot remove dir"

[Hirokazu Yamamoto]

Hirokazu Yamamoto <ocean-city at m2.ccsnet.ne.jp> added the comment:

I created separate small test case to reproduce, and I tried it on
Python2.7, I couldn't reproduce the issue. And tried it on Python3.1,
I couldn't there neither. (Sorry about that... I included 3.1 in
version box)

And exception might not be related. Because error still occurred
even if I removed "#" before exc_clear() in my attached script.

But if I removed "#" before gc.collect(), test case runs fine.

And I copied Python3.1's Lib/tarfile.py into Python3.2's Lib,
still error occurred. Maybe it's not problem of tarfile module
itself ....?

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versions:  -Python 3.1
Added file: http://bugs.python.org/file18855/test_tar_pipe_open_read_error.py

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