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requests_6629

failed NO_PATCH NO_PATCH UNSUBMITTED empty_patch(None) · None tool calls · 0 s · psf/requests

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Fix #6628 - JSONDecodeError are not deserializable

See issue #6628 for full bug-report

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requests.exceptions.JSONDecodeError are not deserializable: calling `pickle.dumps` followed by `pickle.loads` will trigger an error.

This is particularly a problem in a process pool, as an attempt to decode json on an invalid json document will result in the entire process pool crashing.

This is due to the MRO of the `requests.exceptions.JSONDecodeError` class: the `__reduce__` method called when pickling an instance is not the one from the JSON library parent: two out of three args expected for instantiation will be dropped, and the instance can't be deserialised.

By specifying in the class which parent `__reduce__` method should be called, the bug is fixed as all args are carried over in the resulting pickled bytes.

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