class_docstr: A generic tree branch.
  
  Parameters
  ----------
  children
      Child branches and/or leaves.
class_docstr_tok: ["A","generic","tree","branch",".","Parameters","--","--","--","--","--","children","Child","branches","and\/or","leaves","."]
code: def __init__(self, *children):
      self.children = children
  
imports: from __future__ import annotations
  import abc
  import typing
  from collections import defaultdict
  from queue import Queue
  from xml.etree import ElementTree
  import pandas
  from river import base
label_desc: Use image node_id 1 to create a new Branch object from inherited base classes: base, abc with example: obj = Branch()