Merge branch 'current_branch' into 'dev'

pay

See merge request !244

finance/views.py

@@ -60,8 +60,6 @@ class BillListView(APIView):
                 bill_obj.comment = comment
                 bill_obj.save()
 
-                invoices = bill_obj.invoice_set.all()
-
                 for i in children:
                     status = get_real_name(elem=i['status'], array=Invoice.BILL_STATUSES)
                     try:
@@ -102,10 +100,6 @@ class BillListView(APIView):
 
                     msg.send()
 
-                    invoices = [j for j in invoices if not j.id == invoice.id]
-
-                [i.delete() for i in invoices]
-
                 res = {
                     "bill": BillSerializer(bill_obj).data,
                     "children": [InvoiceSerializer(i).data for i in bill_obj.invoice_set.all()],