I can reproduce the bug on the 6.1 release (openerp-6.1-1), as linked from main downloads page, but not on the nightly build of 6.1 (6.1-20120401-233105)
I can reproduce the bug on the 6.1 release (openerp-6.1-1), as linked from main downloads page, but not on the nightly build of 6.1 (6.1-20120401- 233105)