code: def test_numpy():
      np = pytest.importorskip("numpy")
      assert 8000 <= sizeof(np.empty(1000, dtype="f8")) <= 9000
      dt = np.dtype("f8")
      assert sizeof(dt) == sys.getsizeof(dt)
  
imports: from __future__ import annotations
  import os
  import sys
  from array import array
  import pytest
  from dask.multiprocessing import get_context
  from dask.sizeof import sizeof
  from dask.utils import funcname
label_desc: Use image node_id 5 for calling a global function with example usage: test_numpy() without return types