code: def create_grpc_stub(
      host: str = "localhost", port: str = "8500"
  ) -> prediction_service_pb2_grpc.PredictionServiceStub:
      hostport = f"{host}:{port}"
      channel = grpc.insecure_channel(hostport)
      stub = prediction_service_pb2_grpc.PredictionServiceStub(channel)
      return stub
  
file_path: chitra/chitra/serve/tf_serving/client.py
imports: from typing import Any, Callable, Optional
  import grpc
  import tensorflow
  from tensorflow_serving.apis import predict_pb2, prediction_service_pb2_grpc
label_desc: Use image node_id 1 for calling a global function with example usage: create_grpc_stub(host, port) and returns: stub