[issue3675] Python 2.6 can't read sets pickled with Python 3.0

[Alexandre Vassalotti]

Alexandre Vassalotti <alexandre at peadrop.com> added the comment:

Would it would be sufficient to add a function in the pickletools
capable of converting old Python 2 pickles to the new format in Python
3? Alternatively, we could add a compatibility Unpickler class that
would override the find_class method to do the name translation on-the-fly.

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<http://bugs.python.org/issue3675>
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