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src/o/r/Orange-2.7.2/Orange/testing/unit/tests/test_linregression.py   Orange(Download)
    def test_learner_on(self, dataset):
        testing.LearnerTestCase.test_learner_on(self, dataset)
        self.assertTrue(isinstance(self.classifier.to_string(), str))
 
@datasets_driven(datasets=testing.REGRESSION_DATASETS)
    def test_learner_on(self, dataset):
        testing.LearnerTestCase.test_learner_on(self, dataset)
        self.assertTrue(isinstance(self.classifier.to_string(), str))
 
 

src/o/r/Orange-2.7.2/Orange/testing/unit/tests/test_lasso.py   Orange(Download)
    def test_learner_on(self, dataset):
        testing.LearnerTestCase.test_learner_on(self, dataset)
        self.assertTrue(isinstance(self.classifier.to_string(), str))
 
if __name__ == "__main__":