diff --git a/erpnext/accounts/report/gross_profit/gross_profit.py b/erpnext/accounts/report/gross_profit/gross_profit.py
index 6990c5b0dd..25e7891a49 100644
--- a/erpnext/accounts/report/gross_profit/gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/gross_profit.py
@@ -666,6 +666,7 @@ class GrossProfitGenerator(object):
 
 	def get_buying_amount_from_so_dn(self, sales_order, so_detail, item_code):
 		from frappe.query_builder.functions import Sum
+
 		delivery_note = frappe.qb.DocType("Delivery Note")
 		delivery_note_item = frappe.qb.DocType("Delivery Note Item")
 
@@ -673,9 +674,7 @@ class GrossProfitGenerator(object):
 			frappe.qb.from_(delivery_note)
 			.inner_join(delivery_note_item)
 			.on(delivery_note.name == delivery_note_item.parent)
-			.select(
-				Sum(delivery_note_item.incoming_rate * delivery_note_item.stock_qty)
-			)
+			.select(Sum(delivery_note_item.incoming_rate * delivery_note_item.stock_qty))
 			.where(delivery_note.docstatus == 1)
 			.where(delivery_note_item.item_code == item_code)
 			.where(delivery_note_item.against_sales_order == sales_order)