def train(self, document, type=None):
        Classifier.train(self, document, type)
        self._model = None
Test retrieval of pid and instance object for running job
dataset/ETHPy150Open clips/pattern/pattern/vector/__init__.py/SVM.train--crossover with--dataset/ETHPy150Open openstack/sahara/sahara/tests/unit/service/edp/spark/base.py/TestSpark.test_get_instance_if_running