[issue6012] enhance getargs O& to accept cleanup function

[Antoine Pitrou]

Changes by Antoine Pitrou <pitrou at free.fr>:


----------
nosy: +loewis
priority:  -> normal
stage:  -> patch review
type:  -> resource usage

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6012>
_______________________________________