[issue22227] Simplify tarfile iterator

[Robert Collins]

Robert Collins added the comment:

@serhiy could you update the patch with the review feedback? Thanks. Moving back to patch review. Lars hasn't commented on this in a year, so I think we should go ahead once the patch is fixed: e.g. you should update the comments and commit it directly.

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nosy: +rbcollins
stage: commit review -> patch review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22227>
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