docstr: This attribute observer does not support probability density estimation.
docstr_tok: ["This","attribute","observer","does","not","support","probability","density","estimation","."]
code: def cond_proba(self, att_val, class_val) -> float:
      """This attribute observer does not support probability density estimation."""
      raise NotImplementedError
  
file_path: river/river/tree/splitter/random_splitter.py
imports: from __future__ import annotations
  import abc
  import random
  import sys
  from river import stats
  from river.tree.splitter import Splitter
  from river.tree.utils import BranchFactory
label_desc: Use image node_id 4 for calling the RandomSplitter obj's underlying member method code with example usage: obj.cond_proba(att_val, class_val) without return types