@classmethod
    def from_formula(cls, formula, data, subset=None):
        raise NotImplementedError
"Setup the reader in here.  This is called after the engine
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/statespace/mlemodel.py/MLEModel.from_formula--crossover with--dataset/ETHPy150Open enthought/mayavi/mayavi/tests/test_image_data_reader.py/TestMHAImageReader.setup_reader