code: def index(request):
      return request.param
  
file_path: dask/dask/array/tests/test_numpy_compat.py
imports: from __future__ import annotations
  import numpy
  import pytest
  import dask.array
  from dask.array.utils import assert_eq
label_desc: Use image node_id 2 for calling a global function with example usage: index(request) and returns: request