[issue30542] [EASY] test_files() of test_tools.test_unparse.DirectoryTestCase leaks references

[STINNER Victor]

STINNER Victor added the comment:

(Oops, I modified the file while uploading here. I reuploaded the correct bug.py.)

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Added file: http://bugs.python.org/file46930/bug.py

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<http://bugs.python.org/issue30542>
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