tambahkan import get_mandatory

esipkd/views/rpc.py

@@ -14,7 +14,7 @@ from ..models.isipkd import (DBSession, ARInvoice, ARSspd, User, Unit,
                              ObjekPajak, SubjekPajak, Rekening, Wilayah)
 from .arinvoice import save as save_invoice
 from ..models.rpc import (DepartemenRoute, auth_from_rpc, auth_from_rpc, json_rpc_header, get_jsonrpc,
-                         clear_null_value, ymd)
+                         clear_null_value, ymd, get_mandatory)
 from ..models.rpc import (JsonRpcBillNotFoundError, JsonRpcPaymentNotFoundError,
                           JsonRpcBillAllreadyPaidError, JsonRpcInvalidDataError, JsonRpcInvalidLoginError,
                           custom_error)