remove bracket (#9284)
diff --git a/erpnext/controllers/sales_and_purchase_return.py b/erpnext/controllers/sales_and_purchase_return.py
index 5412807..0074560 100644
--- a/erpnext/controllers/sales_and_purchase_return.py
+++ b/erpnext/controllers/sales_and_purchase_return.py
@@ -71,7 +71,7 @@
already_returned_items = get_already_returned_items(doc)
# ( not mandatory when it is Purchase Invoice or a Sales Invoice without Update Stock )
- warehouse_mandatory = not ((doc.doctype=="Purchase Invoice" or doc.doctype=="Sales Invoice") and not doc.update_stock))
+ warehouse_mandatory = not ((doc.doctype=="Purchase Invoice" or doc.doctype=="Sales Invoice") and not doc.update_stock)
items_returned = False
for d in doc.get("items"):