code: def inc(x):
      return x + 1
  
imports: import asyncio
  from contextlib import contextmanager
  import logging
  import os
  import six
  import shutil
  import tempfile
  from time import time, sleep
  import pytest
  from tornado import gen
  from tornado.ioloop import IOLoop
  from .core import _io_loops, Stream
label_desc: Use image node_id 2 for calling a global function with example usage: inc(x) and returns: unknown