code: def __call__(self, num_oranges: int):
      return num_oranges * self.price
  
file_path: ray/python/ray/serve/tests/test_config_files/grpc_deployment.py
imports: from typing import Dict
  from ray import serve
  from ray.serve.generated import serve_pb2
  from ray.serve.handle import DeploymentHandle
label_desc: Use image node_id 2 for calling the OrangeStand obj's underlying member method code with example usage: obj.__call__(num_oranges) and returns: unknown