class_docstr: Base class that is inherited by the majority of classes in River.
  
  This base class allows us to handle the following tasks in a uniform manner:
  
  - Getting and setting parameters
  - Displaying information
  - Mutating/cloning
docstr: Return the memory usage in a human readable format.
docstr_tok: ["Return","the","memory","usage","in","a","human","readable","format","."]
code: def _memory_usage(self) -> str:
      """Return the memory usage in a human readable format."""
      from river import utils
  
      return utils.pretty.humanize_bytes(self._raw_memory_usage)
  
imports: from __future__ import annotations
  import collections
  import contextlib
  import copy
  import inspect
  import itertools
  import logging
  import sys
  import types
  import typing
label_desc: Use image node_id 10 for calling the Base obj's underlying member method code with example usage: obj._memory_usage() and returns: utils