[issue42071] Shelve should default to the default Pickle protocol instead of hardcoding version 3

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

This seems reasonable to me.

There might be some issue is existing code where different versions of Python are sharing the same shelf, but I don't think this is common.

----------
nosy: +rhettinger

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42071>
_______________________________________