[FIX] account_invoice_merge - record set used instead of list of ids in do_merge

account_invoice_merge/invoice.py

@@ -195,9 +195,8 @@ def make_key(br, fields):
         so_obj = self.env['sale.order']\
             if 'sale.order' in self.env.registry else False
         invoice_line_obj = self.env['account.invoice.line']
-        # None if purchase is not installed
         for new_invoice_id in invoices_info:
-            if so_obj:
+            if so_obj is not False:
                 todos = so_obj.search(
                     [('invoice_ids', 'in', invoices_info[new_invoice_id])])
                 todos.write({'invoice_ids': [(4, new_invoice_id)]})
@@ -207,8 +206,9 @@ def make_key(br, fields):
                             [('product_id', '=', so_line.product_id.id),
                              ('invoice_id', '=', new_invoice_id)])
                         if invoice_line_ids:
+                            invoice_line_ids_list = [x.id for x in invoice_line_ids]
                             so_line.write(
-                                {'invoice_lines': [(6, 0, invoice_line_ids)]})
+                                {'invoice_lines': [(6, 0, invoice_line_ids_list)]})
         # recreate link (if any) between original analytic account line
         # (invoice time sheet for example) and this new invoice
         anal_line_obj = self.env['account.analytic.line']