code: def __init__(self, alpha):
      super().__init__([], maxlen=2)
      self.alpha = alpha
  
imports: from __future__ import annotations
  import operator
  import statistics
  from collections import deque
  from river import time_series
label_desc: Use image node_id 1 to create a new AdditiveLevel object from inherited base classes: Component with example: obj = AdditiveLevel(alpha)