[issue4998] __slots__ on Fraction is useless

[Raymond Hettinger]

Raymond Hettinger <rhettinger at users.sourceforge.net> added the comment:

Py3.0.1 should not go out without this being fixed.

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priority: critical -> release blocker

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4998>
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