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Thu Sep 1 14:23:04 CEST 2011 · https://mail.python.org/pipermail/python-dev/2011-September/113436.html

2011/9/1 Ned Batchelder <ned at nedbatchelder.com>

> When the switchover to the new instruction format happens, what happens to
> sys.settrace() tracing?  Will it report the same sequence of line numbers?
>  For a small but important class of program executions, this is more
> important than speed.
>
>  --Ned
>

A simple solution: when tracing is enabled, the new instruction format will
never be executed (and information tracking disabled as well).

Regards,
Cesare
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