code: def some_func(x):
      return x + 1
  
file_path: ray/python/ray/workflow/tests/test_storage.py
imports: import subprocess
  import time
  import pytest
  import ray
  from ray import workflow
  from ray._private import signature
  from ray.tests.conftest import *
  from ray.workflow import workflow_storage
  from ray.workflow.common import TaskType, WorkflowTaskRuntimeOptions
  from ray.workflow.exceptions import WorkflowNotFoundError
  from ray.workflow import serialization_context
  from ray.workflow.tests import utils
label_desc: Use image node_id 1 for calling a global function with example usage: some_func(x) and returns: unknown