code: def classification(request):
      data = datagen.gen_data(
          "classification",
          "cudf",
          n_samples=request.param["n_samples"],
          n_features=request.param["n_features"],
      )
      return data, None
  
imports: import pytest
  from ..utils.utils import _benchmark_algo, fixture_generation_helper
  from ..utils.utils import bench_step
  from ...None import datagen
label_desc: Use image node_id 1 for calling a global function with example usage: classification(request) and returns: data,  None