sys.stdout.detach() results in ValueError

[Benjamin Peterson]

Peter Kleiweg <pkleiweg <at> xs4all.nl> writes:
> Not yet using fp in any way, this script gives the following error:
> 
>     Exception ValueError: 'underlying buffer has been detached' in

You're probably using print() or some such which tries to write to sys.stdout.
It's safest to just write to sys.stdout.buffer rather than using detach.