code: def test_verbosity_levels(capsys, verbose):
      max_iter = 14
  
      @gen_cluster(client=True)
      async def _test_verbosity(c, s, a, b):
          X, y = make_classification(
              n_samples=10, n_features=4, chunks=10
          )
          model = ConstantFunction()
          params = {"value": scipy.stats.uniform(0, 1)}
          search = IncrementalSearchCV(
              model, params, max_iter=max_iter, verbose=verbose
          )
          await search.fit(X, y)
          return search
  
      with captured_logger(
          logging.getLogger("dask_ml.model_selection")
      ) as logs:
          search = _test_verbosity()
          assert search.best_score_ > 0  # ensure search ran
          messages = logs.getvalue().splitlines()
  
      factor = 1 if isinstance(verbose, bool) else verbose
      assert len(messages) == pytest.approx(
          max_iter * factor + 2, abs=1
      )
  
imports: import asyncio
  import concurrent.futures
  import itertools
  import logging
  import math
  import random
  import sys
  import dask.array
  import dask.dataframe
  import numpy
  import pandas
  import pytest
  import scipy
  import toolz
  from dask.distributed import Future
  from distributed.utils_test import captured_logger, cluster, gen_cluster, loop
  from scipy.stats import uniform
  from sklearn.base import clone
  from sklearn.cluster import MiniBatchKMeans
  from sklearn.linear_model import SGDClassifier
  from sklearn.model_selection import ParameterGrid, ParameterSampler
  from sklearn.utils import check_random_state
  from dask_ml._compat import DISTRIBUTED_2_5_0, SK_LOG_LOSS
  from dask_ml.datasets import make_classification
  from dask_ml.model_selection import HyperbandSearchCV, IncrementalSearchCV, InverseDecaySearchCV
  from dask_ml.model_selection._incremental import _partial_fit, _score, fit
  from dask_ml.model_selection.utils_test import LinearFunction, _MaybeLinearFunction
  from dask_ml.utils import ConstantFunction
label_desc: Use image node_id 4 for calling a global function with example usage: test_verbosity_levels(capsys, verbose) and returns: search