code: def handler(context):
      handler = ObjectDetector()
      handler.initialize(context)
  
      return handler
  
file_path: serve/ts/torch_handler/unit_tests/test_object_detector.py
imports: import sys
  from pathlib import Path
  import pytest
  from ts.torch_handler.object_detector import ObjectDetector
  from .test_utils.mock_context import MockContext
  from .test_utils.model_dir import copy_files, download_model
label_desc: Use image node_id 5 for calling a global function with example usage: handler(context) and returns: handler