Minor fixes
diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.json b/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
index e15cea8..2d318c6 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.json
@@ -127,18 +127,18 @@
    "permlevel": 0
   }, 
   {
-   "fieldname": "max_qty", 
-   "fieldtype": "Float", 
-   "label": "Max Qty", 
-   "permlevel": 0
-  }, 
-  {
    "fieldname": "min_qty", 
    "fieldtype": "Float", 
    "label": "Min Qty", 
    "permlevel": 0
   }, 
   {
+   "fieldname": "max_qty", 
+   "fieldtype": "Float", 
+   "label": "Max Qty", 
+   "permlevel": 0
+  }, 
+  {
    "fieldname": "col_break1", 
    "fieldtype": "Column Break", 
    "permlevel": 0
@@ -235,7 +235,7 @@
  "icon": "icon-gift", 
  "idx": 1, 
  "istable": 0, 
- "modified": "2014-06-19 15:00:09.962572", 
+ "modified": "2014-06-20 19:36:22.502381", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Pricing Rule", 
@@ -244,8 +244,8 @@
   {
    "create": 1, 
    "delete": 1, 
-   "export": 0, 
-   "import": 0, 
+   "export": 1, 
+   "import": 1, 
    "permlevel": 0, 
    "read": 1, 
    "report": 1, 
@@ -290,7 +290,6 @@
    "permlevel": 0, 
    "read": 1, 
    "report": 1, 
-   "restrict": 1, 
    "role": "System Manager", 
    "write": 1
   }
diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
index 77b52b1..967d583 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
@@ -66,7 +66,7 @@
 		if self.price_or_discount == "Discount Percentage" and self.item_code:
 			max_discount = frappe.db.get_value("Item", self.item_code, "max_discount")
 			if max_discount and flt(self.discount_percentage) > flt(max_discount):
-				throw(_("Max discount allowed for item: {0} is {1}%".format(self.item_code, max_discount)))
+				throw(_("Max discount allowed for item: {0} is {1}%").format(self.item_code, max_discount))
 
 
 #--------------------------------------------------------------------------------
@@ -141,7 +141,8 @@
 		item_details.pricing_rule = pricing_rule.name
 		if pricing_rule.price_or_discount == "Price":
 			item_details.update({
-				"price_list_rate": pricing_rule.price*flt(args.plc_conversion_rate)/flt(args.conversion_rate),
+				"price_list_rate": pricing_rule.price/flt(args.conversion_rate) \
+					if args.conversion_rate else 0.0,
 				"discount_percentage": 0.0
 			})
 		else:
@@ -167,10 +168,10 @@
 
 	conditions = ""
 	for field in ["company", "customer", "supplier", "supplier_type", "campaign", "sales_partner"]:
-			if args.get(field):
-				conditions += " and ifnull("+field+", '') in (%("+field+")s, '')"
-			else:
-				conditions += " and ifnull("+field+", '') = ''"
+		if args.get(field):
+			conditions += " and ifnull("+field+", '') in (%("+field+")s, '')"
+		else:
+			conditions += " and ifnull("+field+", '') = ''"
 
 	for parenttype in ["Customer Group", "Territory"]:
 		group_condition = _get_tree_conditions(parenttype)