Lib/weakref.py · 774f3d2517c79ec418cda8737f97246064cc1673 · Kirill Smelkov / cpython · GitLab

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The default argument in dict.setdefault() defaults to None. · 774f3d25
Walter Dörwald authored May 27, 2004
```
Add this default to weakref.WeakValueDictionary.setdefault()
and weakref.WeakKeyDictionary.setdefault() too.
```
774f3d25

weakref.py 7.85 KB