code: def test_score_sklearn_not_installed(self, monkeypatch, weak_labels):
      monkeypatch.setattr(sys, "meta_path", [], raising=False)
  
      mj = MajorityVoter(weak_labels)
      with pytest.raises(
          ModuleNotFoundError, match="pip install scikit-learn"
      ):
          mj.score()
  
imports: import sys
  import numpy
  import pytest
  from argilla.client.models import TextClassificationRecord
  from argilla.labeling.text_classification import FlyingSquid, Snorkel, WeakLabels, WeakMultiLabels
  from argilla.labeling.text_classification.label_models import LabelModel, MajorityVoter, MissingAnnotationError, NotFittedError, TieBreakPolicy, TooFewRulesError
label_desc: Use image node_id 8 for calling the TestMajorityVoter obj's underlying member method code with example usage: obj.test_score_sklearn_not_installed(monkeypatch, weak_labels) without return types