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","."]
docstr: Iterate over leaves from the left-most one to the right-most one.
docstr_tok: ["Iterate","over","leaves","from","the","left-most","one","to","the","right-most","one","."]
code: def iter_leaves(self):
      """Iterate over leaves from the left-most one to the right-most one."""
      for child in self.children:
          yield from child.iter_leaves()
  
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 13 for calling the Branch obj's underlying member method code with example usage: obj.iter_leaves() without return types