[New-bugs-announce] [issue1061] ABC caches should use weak refs

[Guido van Rossum]

New submission from Guido van Rossum:

The various caches in abc.py should be turned into weak sets so that the
caches don't keep the subclass objects alive forever.

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messages: 55480
nosy: gvanrossum
severity: normal
status: open
title: ABC caches should use weak refs
versions: Python 3.0

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Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1061>
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