code: def test_no_logs_when_log_callback_is_None(caplog, named_steps):
      pipe = DebugPipeline(named_steps, log_callback=None)
      caplog.clear()
      with caplog.at_level(logging.INFO):
          pipe.fit(IRIS.data, IRIS.target)
      assert not caplog.text, f"Log should be empty: {caplog.text}"
  
imports: import logging
  import pytest
  from sklearn import datasets
  from sklearn.base import BaseEstimator, TransformerMixin
  from sklearn.model_selection import GridSearchCV
  from sklearn.multiclass import OneVsOneClassifier, OneVsRestClassifier, OutputCodeClassifier
  from sklearn.pipeline import FeatureUnion
  from sklearn.preprocessing import StandardScaler
  from sklearn.svm import LinearSVC
  from sklego.pipeline import DebugPipeline, make_debug_pipeline
label_desc: Use image node_id 6 for calling a global function with example usage: test_no_logs_when_log_callback_is_None(caplog, named_steps) without return types