[issue23629] Default __sizeof__ is wrong for var-sized objects

[Roundup Robot]

Roundup Robot added the comment:

New changeset dbd48b22b477 by Antoine Pitrou in branch '2.7':
Issue #23629: Fix the default __sizeof__ implementation for variable-sized objects.
https://hg.python.org/cpython/rev/dbd48b22b477

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23629>
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