class_docstr: General distribution.
  
  Parameters
  ----------
  seed
      Random number generator seed for reproducibility.
docstr: Probability mass/density function.
docstr_tok: ["Probability","mass\/density","function","."]
code: def __call__(self, x: typing.Any) -> float:
      """Probability mass/density function."""
  
imports: from __future__ import annotations
  import abc
  import random
  import typing
  from river import base
label_desc: Use image node_id 2 for calling the Distribution obj's underlying member method code with example usage: obj.__call__(x) without return types