code: def make_iris_proto(**fields: struct_pb2.Value) -> struct_pb2.Value:
      return struct_pb2.Value(
          struct_value=struct_pb2.Struct(
              fields={
                  "request_id": struct_pb2.Value(string_value="123"),
                  "iris_features": struct_pb2.Value(
                      struct_value=struct_pb2.Struct(fields=fields)
                  ),
              }
          )
      )
  
imports: from __future__ import annotations
  import io
  import os
  import random
  import sys
  import traceback
  import typing
  from functools import partial
  import pytest
  from bentoml._internal.types import LazyType
  from bentoml._internal.utils import LazyLoader
  from bentoml.grpc.utils import import_generated_stubs
  from bentoml.grpc.utils import import_grpc
  from bentoml.testing.grpc import async_client_call
  from bentoml.testing.grpc import create_channel
  from bentoml.testing.grpc import randomize_pb_ndarray
label_desc: Use image node_id 2 for calling a global function with example usage: make_iris_proto() and returns: struct_pb2