def __init__(self, regressors):
        Serializable.quick_init(self, locals())
        self.regressors = regressors
        self.output_dims = [x.output_dim for x in regressors]
:param regressors: List of individual regressors
dataset/ETHPy150Open rllab/rllab/rllab/regressors/product_regressor.py/ProductRegressor.__init__