code: def __init__(
      self,
      _image_downloader: DeploymentHandle,
      _data_preprocessor: DeploymentHandle,
  ):
      self._image_downloader = _image_downloader
      self._data_preprocessor = _data_preprocessor
      self.model = torch.hub.load(
          "pytorch/vision:v0.10.0", "resnet18", pretrained=True
      )
      self.model.eval()
      self.categories = self._image_labels()
  
imports: import ray
  from ray import serve
  from ray.serve.config import gRPCOptions
  import time
  from typing import Generator
  from user_defined_protos_pb2 import UserDefinedMessage, UserDefinedMessage2, UserDefinedResponse, UserDefinedResponse2
  import ray
  from ray import serve
  import grpc
  from user_defined_protos_pb2_grpc import UserDefinedServiceStub
  from user_defined_protos_pb2 import UserDefinedMessage
  import grpc
  from ray.serve.generated.serve_pb2_grpc import RayServeAPIServiceStub
  from ray.serve.generated.serve_pb2 import HealthzRequest, ListApplicationsRequest
  import grpc
  from user_defined_protos_pb2_grpc import UserDefinedServiceStub
  from user_defined_protos_pb2 import UserDefinedMessage2
  import grpc
  from user_defined_protos_pb2_grpc import UserDefinedServiceStub
  from user_defined_protos_pb2 import UserDefinedMessage
  import requests
  import torch
  from typing import List
  from PIL import Image
  from io import BytesIO
  from torchvision import transforms
  from user_defined_protos_pb2 import ImageClass, ImageData
  from ray import serve
  from ray.serve.handle import DeploymentHandle
  import grpc
  from user_defined_protos_pb2_grpc import ImageClassificationServiceStub
  from user_defined_protos_pb2 import ImageData
  import grpc
  from user_defined_protos_pb2_grpc import UserDefinedServiceStub
  from user_defined_protos_pb2 import UserDefinedMessage
  from user_defined_protos_pb2 import UserDefinedMessage, UserDefinedResponse
  from ray import serve
  from ray.serve.grpc_util import RayServegRPCContext
  import grpc
  from typing import Tuple
  import grpc
  from user_defined_protos_pb2_grpc import UserDefinedServiceStub
  from user_defined_protos_pb2 import UserDefinedMessage
label_desc: Use image node_id 1 to create a new ImageClassifier object  with example: obj = ImageClassifier(_image_downloader, _data_preprocessor)