code: def __init__(self, window: int = 1) -> None:
      super().__init__(window=window)
  
imports: import numpy
  from scipy.stats import poisson
  from darts.ad.scorers.scorers import NLLScorer
label_desc: Use image node_id 1 to create a new PoissonNLLScorer object from inherited base classes: NLLScorer with example: obj = PoissonNLLScorer(window)