code: def generator_class(request):
      return request.param
  
imports: from __future__ import annotations
  import pytest
  import numpy
  import dask
  import dask.array
  from dask.array.core import Array
  from dask.array.utils import assert_eq
  from dask.multiprocessing import _dumps, _loads
  from dask.utils import key_split
label_desc: Use image node_id 1 for calling a global function with example usage: generator_class(request) and returns: request