[issue33106] Deleting a key in a read-only gdbm results in KeyError, not gdbm.error

[Xiang Zhang]

Change by Xiang Zhang <angwerzx at 126.com>:


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keywords: +patch
pull_requests: +6019
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33106>
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