fixed issue
diff --git a/erpnext/selling/doctype/quotation/quotation.py b/erpnext/selling/doctype/quotation/quotation.py
index 511a74d..2aeecc4 100644
--- a/erpnext/selling/doctype/quotation/quotation.py
+++ b/erpnext/selling/doctype/quotation/quotation.py
@@ -83,7 +83,7 @@
 				if doc.fields.get('item_code'):
 					arg = {'item_code':doc.fields.get('item_code'), 'income_account':doc.fields.get('income_account'), 
 						'cost_center': doc.fields.get('cost_center'), 'warehouse': doc.fields.get('warehouse')};
-					ret = obj.get_item_defaults(arg, self)
+					ret = obj.get_item_defaults(arg)
 					for r in ret:
 						if not doc.fields.get(r):
 							doc.fields[r] = ret[r]					
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 7a19528..aece1d5 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -100,7 +100,7 @@
 				if doc.fields.get('item_code'):
 					arg = {'item_code':doc.fields.get('item_code'), 'income_account':doc.fields.get('income_account'), 
 						'cost_center': doc.fields.get('cost_center'), 'warehouse': doc.fields.get('warehouse')};
-					ret = obj.get_item_defaults(arg, self)
+					ret = obj.get_item_defaults(arg)
 					for r in ret:
 						if not doc.fields.get(r):
 							doc.fields[r] = ret[r]					
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.py b/erpnext/stock/doctype/delivery_note/delivery_note.py
index c1bb92d..c109335 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.py
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.py
@@ -117,7 +117,7 @@
 				if doc.fields.get('item_code'):
 					arg = {'item_code':doc.fields.get('item_code'), 'income_account':doc.fields.get('income_account'), 
 						'cost_center': doc.fields.get('cost_center'), 'warehouse': doc.fields.get('warehouse')};
-					ret = obj.get_item_defaults(arg, self)
+					ret = obj.get_item_defaults(arg)
 					for r in ret:
 						if not doc.fields.get(r):
 							doc.fields[r] = ret[r]