Fixes in pricing rule
diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
index 0474639..2706603 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
@@ -107,9 +107,11 @@
 		args.transaction_type = "buying" if frappe.get_meta(args.parenttype).get_field("supplier") \
 			else "selling"
 
-	for item in args.get("item_list"):
+	item_list = args.get("item_list")
+	args.pop("item_list")
+
+	for item in item_list:
 		args_copy = copy.deepcopy(args)
-		args_copy.pop("item_list")
 		args_copy.update(item)
 		out.append(get_pricing_rule_for_item(args_copy))