code: def _update_children(
      change: dict,  # A dictionary holding the information about the changed widget
  ):
      "Sets a value to the `layout` attribute on widget initialization and change"
      for o in change["owner"].children:
          if not o.layout.flex:
              o.layout.flex = "0 0 auto"
  
imports: from __future__ import annotations
  from ..torch_basics import *
  from ..data.all import *
  from .core import *
  from fastcore.parallel import *
  from ipywidgets import HBox, VBox, widgets, Button, Checkbox, Dropdown, Layout, Box, Output, Label, FileUpload
label_desc: Use image node_id 3 for calling a global function with example usage: _update_children(change) without return types