bpo-43785: Improve BZ2File performance by removing RLock (GH-25299)

Remove `RLock` from `BZ2File`. It makes `BZ2File` to thread unsafe, but
gzip and lzma don't use it too.

Co-authored-by: Gregory P. Smith <greg@krypto.org>

Inada Naoki committed 5y ago

cc2ffcdfd78df3a18edae60df81b2f1b044b1634

Parent: 553ee27

Committed by GitHub <noreply@github.com> on 4/12/2021, 5:46:53 AM