[issue13566] Increase pickle compatibility

[Antoine Pitrou]

Antoine Pitrou added the comment:

I wouldn't be very surprised if third-party libraries enforce such typing, yes. If your library has a clear text/bytes separation, it makes sense to enforce it at the API level, to avoid mistakes by users.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13566>
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