[issue29119] Unintentional hard reference assignment in Python version of OrderedDict.move_to_end

[Raymond Hettinger]

Raymond Hettinger added the comment:

I'm leaving this for Andra Bogildea to work through and comment on.  

Testing is likely to be awkward at best.  It would involve white box implementation specific steps like accessing the name managed variables and rotating through the doubly linked list to verify that all the prev-links have the type, <class 'weakproxy'>.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29119>
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