code: def bench_step(request):
      return request.param
  
imports: import os
  import json
  import time
  import math
  import itertools
  import warnings
  from cuml.internals.safe_imports import cpu_only_import, gpu_only_import
  import pytest
  from cuml.benchmark import datagen, algorithms
  from cuml.benchmark.nvtx_benchmark import Profiler
  from dask.distributed import wait
  import dask.array
  import dask.dataframe
  from copy import copy
  from cuml.benchmark.bench_helper_funcs import pass_func, fit, predict, transform, kneighbors, fit_predict, fit_transform, fit_kneighbors
label_desc: Use image node_id 7 for calling a global function with example usage: bench_step(request) and returns: request