[issue33385] setdefault() with a single argument doesn't work for dbm.gnu and dmb.dumb objects

[Serhiy Storchaka]

Change by Serhiy Storchaka <storchaka+cpython at gmail.com>:


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title: setdefault() with a single argument doesn't work for dbm.gdbm and dmb.ndbm objects -> setdefault() with a single argument doesn't work for dbm.gnu and dmb.dumb objects

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33385>
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