[issue23224] bz2/lzma: Compressor/Decompressor objects are only initialized in __init__

[Dong-hee Na]

Change by Dong-hee Na <donghee.na92 at gmail.com>:


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versions: +Python 3.9 -Python 2.7, Python 3.6

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue23224>
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