[issue13340] list.index does not accept None as start or stop

[Raymond Hettinger]

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

I think this "fix" was too hastily committed. 

1) It was an API change.
2) It probably should have been done in _PyEval_SliceIndex().

Be careful.  Don't rush to commit.  Especially for backports.

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status: closed -> open

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13340>
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