code: def test_as_completed_timeout_sync(client):
      x = client.submit(inc, 1)
      y = client.submit(inc, 1)
      z = client.submit(slowinc, 2, delay=1)
  
      seq = as_completed([x, y, z], timeout="0.5s")
      next(seq)
      next(seq)
      with pytest.raises(TimeoutError):
          next(seq)
  
imports: from __future__ import annotations
  import asyncio
  import queue
  import random
  from collections.abc import Iterator
  from operator import add
  from time import sleep
  import pytest
  from distributed import TimeoutError
  from distributed.client import _as_completed, _first_completed, as_completed, wait
  from distributed.metrics import time
  from distributed.utils import CancelledError
  from distributed.utils_test import gen_cluster, inc, slowinc, throws
label_desc: Use image node_id 1 for calling a global function with example usage: test_as_completed_timeout_sync(client) without return types