accounting: fix Node_getAccountingTransactionList compatibility

fixup f4639fde . params['section_uid'] can be a integer

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Node_getAccountingTransactionList.xml

@@ -170,11 +170,14 @@ if from_date or is_pl_account:\n
         # I don\'t think this should happen\n
         log(\'from_date not passed, defaulting to period_start_date\')\n
         initial_balance_from_date = period_start_date\n
-  \n
+\n
   # Get previous debit and credit\n
   if not (initial_balance_from_date == period_start_date and is_pl_account):\n
     getInventoryAssetPrice = portal.portal_simulation.getInventoryAssetPrice\n
-    for section_uid in list(params.get(\'section_uid\', [])):\n
+    section_uid_list = params.get(\'section_uid\', [])\n
+    if not same_type(section_uid_list, []):\n
+      section_uid_list = [section_uid_list]\n
+    for section_uid in section_uid_list:\n
       # We add one initial balance line per section. The main reason is to be able\n
       # to know the section_title for the GL export.\n
       # XXX we may also want detail by resource or analytic columns sometimes.\n
@@ -188,7 +191,7 @@ if from_date or is_pl_account:\n
                                                 to_date=min(period_start_date,\n
                                                             initial_balance_from_date),\n
                                                 **get_inventory_kw)\n
-  \n
+\n
       # then all movements between period_start_date and from_date\n
       previous_total_debit  = getInventoryAssetPrice(omit_asset_decrease=True,\n
              from_date=period_start_date,\n