[FIX] account: recordsets are not sortable in-place

diff --git a/addons/account/report/account_partner_ledger.py b/addons/account/report/account_partner_ledger.py
index c683076..67480ea 100644 (file)
--- a/addons/account/report/account_partner_ledger.py
+++ b/addons/account/report/account_partner_ledger.py
@@ -110,7 +110,7 @@ class third_party_ledger(report_sxw.rml_parse, common_report_header):
                     "AND account.active ", params)
         self.partner_ids = [res['partner_id'] for res in self.cr.dictfetchall()]
         objects = obj_partner.browse(self.cr, self.uid, self.partner_ids)
-        objects.sort(key=lambda x: (x.ref, x.name))
+        objects = sorted(objects, key=lambda x: (x.ref, x.name))
         return super(third_party_ledger, self).set_context(objects, data, self.partner_ids, report_type)
 
     def lines(self, partner):