code: def test_optimize_graph_false():
      from dask.callbacks import Callback
  
      d = {"x": 1, "y": (inc, "x"), "z": (add, 10, "y")}
      keys = []
      with Callback(pretask=lambda key, *args: keys.append(key)):
          get(d, "z", optimize_graph=False)
      assert len(keys) == 2
  
imports: from __future__ import annotations
  import multiprocessing
  import pickle
  import sys
  from concurrent.futures import ProcessPoolExecutor
  from operator import add
  import pytest
  import dask
  from dask import compute, delayed
  from dask.multiprocessing import _dumps, _loads, get, get_context, remote_exception
  from dask.system import CPU_COUNT
  from dask.utils_test import inc
label_desc: Use image node_id 16 for calling a global function with example usage: test_optimize_graph_false() without return types