1130
1130
move_obj = self.pool.get('account.move')
1131
1131
account_obj = self.pool.get('account.account')
1132
1132
journal_obj = self.pool.get('account.journal')
1133
1135
if vals.get('account_tax_id', False):
1134
1136
raise osv.except_osv(_('Unable to change tax !'), _('You can not change the tax, you should remove and recreate lines !'))
1135
1137
self._check_date(cr, uid, vals, context, check)