code: def test_classification():
      try:
          for model in classifiers:
              assert ModelProcessor().is_classification(model) == True
      except Exception:
          pytest.fail("Not a classifier!")
  
imports: import pytest
  from modelprocessor import ModelProcessor
  from sklearn.base import is_classifier, is_regressor
  from sklearn.ensemble import RandomForestClassifier, RandomForestRegressor, AdaBoostRegressor, GradientBoostingRegressor
  from sklearn.neural_network import MLPClassifier, MLPRegressor
label_desc: Use image node_id 1 for calling a global function with example usage: test_classification() without return types