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Description
Bug report
In [30]: import pickle, sre_constantsIn [31]: a = pickle.dumps(sre_constants.SUCCESS)In [32]: pickle.loads(a)---------------------------------------------------------------------------TypeError Traceback (most recent call last)<ipython-input-32-7038544c8e94> in <cell line: 1>()----> 1 pickle.loads(a)TypeError: __new__() missing 1 required positional argument: 'name'Even if we decidesre_constants.* are not picklable, theTypeError should happen when trying to dump, not when trying to load. This could cause a user to write pickle files they can't ever read.
Your environment
- CPython versions tested on: 3.9, 3.10
- Operating system and architecture: Ubuntu 20.04 x86_64