fix taxable amount for same items (#13927)
diff --git a/erpnext/regional/report/gstr_1/gstr_1.py b/erpnext/regional/report/gstr_1/gstr_1.py
index 79d6e12..a14500a 100644
--- a/erpnext/regional/report/gstr_1/gstr_1.py
+++ b/erpnext/regional/report/gstr_1/gstr_1.py
@@ -144,7 +144,17 @@
""" % (self.doctype, ', '.join(['%s']*len(self.invoices))), tuple(self.invoices), as_dict=1)
for d in items:
- self.invoice_items.setdefault(d.parent, {}).setdefault(d.item_code, d.base_net_amount)
+ item_details = {}
+ item_details[d.item_code] = d.base_net_amount
+
+ if d.parent in self.invoice_items:
+ parent_dict = self.invoice_items[d.parent]
+ if d.item_code in parent_dict:
+ item_details[d.item_code] += parent_dict[d.item_code]
+ else:
+ item_details.update(parent_dict)
+
+ self.invoice_items[d.parent] = item_details
def get_items_based_on_tax_rate(self):
self.tax_details = frappe.db.sql("""