Fixed get_buying_amount in Gross Profit report:
To handle the case where there may be multiple invoices for a single delivery
diff --git a/erpnext/accounts/report/gross_profit/gross_profit.py b/erpnext/accounts/report/gross_profit/gross_profit.py
index 19075d3..2ed664c 100644
--- a/erpnext/accounts/report/gross_profit/gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/gross_profit.py
@@ -236,7 +236,7 @@
previous_stock_value = len(my_sle) > i+1 and \
flt(my_sle[i+1].stock_value) or 0.0
if previous_stock_value:
- return previous_stock_value - flt(sle.stock_value)
+ return (previous_stock_value - flt(sle.stock_value)) * flt(row.qty) / abs(flt(sle.qty))
else:
return flt(row.qty) * self.get_average_buying_rate(row, item_code)
else: