[issue4477] Speed up PyEval_EvalFrameEx when tracing is off.

[Raymond Hettinger]

Changes by Raymond Hettinger <rhettinger at users.sourceforge.net>:


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assignee:  -> rhettinger
versions: +Python 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4477>
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