Peter Otten <__pete...@web.de> writes: > You should wrap yield in a try ... finally. You might allow setting > the new value in the manager (untested):
Thank you, both good advice. I would still like to know if Python already has something to make this unnecessary. -- \ “Compulsory unification of opinion achieves only the unanimity | `\ of the graveyard.” —Justice Roberts in 319 U.S. 624 (1943) | _o__) | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list