Bug fixed saat inquiry belum ada pembayaran

opensipkd/webr/services/default.py

@@ -61,7 +61,7 @@ class Inquiry:
                 func.sum(self.payment_model.bayar).label('jml'))
                 func.sum(self.payment_model.bayar).label('jml'))
         q = q.filter_by(ar_invoice_id=self.invoice.id)
         q = q.filter_by(ar_invoice_id=self.invoice.id)
         pay = q.first()
         pay = q.first()
-        return pay and int(pay.jml) or 0
+        return pay and int(pay.jml or 0)
 
 
     def hitung(self):
     def hitung(self):
         bunga = self.invoice.bunga or 0
         bunga = self.invoice.bunga or 0