adds credits notes to report since double entry for P or L affects sales
diff --git a/erpnext/accounts/report/gross_profit/gross_profit.py b/erpnext/accounts/report/gross_profit/gross_profit.py
index 4b28f1f..adc3deb 100644
--- a/erpnext/accounts/report/gross_profit/gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/gross_profit.py
@@ -278,7 +278,7 @@
 				inner join `tabSales Invoice Item` on `tabSales Invoice Item`.parent = `tabSales Invoice`.name
 				{sales_team_table}
 			where
-				`tabSales Invoice`.docstatus = 1 and `tabSales Invoice`.is_return != 1 {conditions} {match_cond}
+				`tabSales Invoice`.docstatus = 1 {conditions} {match_cond}
 			order by
 				`tabSales Invoice`.posting_date desc, `tabSales Invoice`.posting_time desc"""
 			.format(conditions=conditions, sales_person_cols=sales_person_cols,