def __init__()

in spotify_confidence/analysis/frequentist/sequential_bound_solver.py [0:0]


    def __init__(self, df: pandas.DataFrame, last_fcab: np.array):
        if df is None or any(df["zb"].isnull()) or len(df) > 0 and last_fcab is None:
            raise ValueError()

        self._df = df
        self._last_fcab = last_fcab