Set discount zero while fetching price list rate

erpnext/stock/doctype/item_price/item_price.json

@@ -1,7 +1,7 @@
 {
  "allow_import": 1, 
  "autoname": "RFD/.#####", 
- "creation": "2013-05-02 16:29:48.000000", 
+ "creation": "2013-05-02 16:29:48", 
  "description": "Multiple Item prices.", 
  "docstatus": 0, 
  "doctype": "DocType", 
@@ -72,6 +72,15 @@
    "reqd": 1, 
    "search_index": 0
   }, 
+  {
+   "fieldname": "currency", 
+   "fieldtype": "Link", 
+   "hidden": 0, 
+   "label": "Currency", 
+   "options": "Currency", 
+   "permlevel": 0, 
+   "read_only": 1
+  }, 
   {
    "fieldname": "col_br_1", 
    "fieldtype": "Column Break", 
@@ -90,22 +99,13 @@
    "label": "Item Description", 
    "permlevel": 0, 
    "read_only": 1
-  }, 
-  {
-   "fieldname": "currency", 
-   "fieldtype": "Link", 
-   "hidden": 1, 
-   "label": "Currency", 
-   "options": "Currency", 
-   "permlevel": 0, 
-   "read_only": 1
   }
  ], 
  "icon": "icon-flag", 
  "idx": 1, 
  "in_create": 0, 
  "istable": 0, 
- "modified": "2014-02-10 17:27:32.000000", 
+ "modified": "2014-07-08 15:38:23.653034", 
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Item Price", 

erpnext/stock/get_item_details.py

@@ -323,6 +323,7 @@ def apply_price_list_on_item(args):
 	item_details = frappe._dict()
 	item_doc = frappe.get_doc("Item", args.item_code)
 	get_price_list_rate(args, item_doc, item_details)
+	item_details.discount_percentage = 0.0
 	item_details.update(get_pricing_rule_for_item(args))
 	return item_details