checks OK URL: https://codereview.tryton.org/394211002
New changeset e7dc2f2ef76f by Cédric Krier in branch 'default': Hide empty grouped lines on move https://hg.tryton.org/modules/account_move_line_grouping/rev/e7dc2f2ef76f
New changeset 45aa1e373413 by Cédric Krier in branch 'default': Hide empty grouped lines on move https://hg.tryton.org/tryton-env/rev/45aa1e373413