code: def add(self, input: int) -> int:
      from dir2.library import add_one
  
      return add_one(input)
  
file_path: ray/python/ray/serve/tests/test_config_files/test_dag/dir/subdir/a/add_and_sub.py
imports: from enum import Enum
  import starlette.requests
  from ray import serve
  from ray.serve.handle import DeploymentHandle
label_desc: Use image node_id 1 for calling the Add obj's underlying member method code with example usage: obj.add(input) and returns: add_one