fix ut

python/examples/grpc_impl_example/fit_a_line/test_timeout_client.py

@@ -26,10 +26,10 @@ x = [
 ]
 for i in range(3):
     fetch_map = client.predict(feed={"x": x}, fetch=["price"])
-    if fetch_map["serving_grpc_error"] == 0:
+    if fetch_map["serving_status_code"] == 0:
         print(fetch_map)
-    elif fetch_map["serving_grpc_error"].code(
+    elif fetch_map["serving_status_code"].code(
     ) == grpc.StatusCode.DEADLINE_EXCEEDED:
         print('timeout')
     else:
-        print(fetch_map["serving_grpc_error"])
+        print(fetch_map["serving_status_code"])

python/paddle_serving_client/__init__.py

@@ -643,7 +643,7 @@ class MultiLangClient(object):
                 self.profile_.print_profile()
                 return ret
             except grpc.RpcError as e:
-                return {"serving_grpc_error": e}
+                return {"serving_status_code": e.code()}
         else:
             req = self._pack_inference_request(
                 feed, fetch, is_python=is_python, log_id=log_id)