class_docstr: Mondrian Tree Classifier leaf node.
  
  Parameters
  ----------
  parent
      Parent node.
  time
      Split time of the node.
  depth
      The depth of the leaf.
code: def __init__(self, parent, time, depth):
      super().__init__(parent, time, depth)
  
imports: from __future__ import annotations
  import collections
  import math
  from river import base, stats
  from river.tree.base import Branch, Leaf
  from river.utils.math import log_sum_2_exp
label_desc: Use image node_id 1 to create a new MondrianLeafClassifier object from inherited base classes: MondrianNodeClassifier, MondrianLeaf with example: obj = MondrianLeafClassifier(parent, time, depth)