Comment 3 for bug 340347

I reproduced it today with trunk running
arguments: ['/usr/bin/bzr', 'branch', 'log+bzr+ssh://bazaar.launchpad.net/~bzr/bzr/trunk', '/tmp/newtrunk']

> I don't think decoration approach is contributing to whatever is going on.

I'm pretty sure the decorator is causing the breakage by eg turning an iterator into a list. That doesn't necessarily mean that the whole idea of using a decorator needs to be tossed out.