[issue26949] IDLE restarts when one debugs code raising SystemExit

[SilentGhost]

Changes by SilentGhost <ghost.adh at runbox.com>:


----------
nosy: +kbk, roger.serwy, terry.reedy
stage:  -> test needed

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26949>
_______________________________________