def next(self, reward, ask_id, lbl):
        # first run don't have reward, TODO exception on reward == -1 only once
        if reward == -1:
            return next(self.exp4p_gen)
        else:
        # TODO exception on reward in [0, 1]
            return self.exp4p_gen.send((reward, ask_id, lbl))
Creation with a list of items return an object with an attribute that
dataset/ETHPy150Open ntucllab/libact/libact/query_strategies/active_learning_by_learning.py/Exp4P.next--crossover with--dataset/ETHPy150Open tomchristie/django-rest-framework/tests/test_serializer_lists.py/TestNestedListSerializer.test_create