old_contents: instantiable_widget_class_names = [
  	"Button",
  	"Checkbox",
  	"Image",
  	"Label",
  	"List",
  	"MenuButton",
  	"RadioButton",
  	"Tab",
  	"Table",
  	"TextField",
  	"Tooltip",
  	"Tree"
  ]
  
  from widget import Widget
  from page import Page
  from button import Button
  from checkbox import Checkbox
  from image import Image
  from label import Label
  from list import List, ListRow
  from menu import Menu, MenuButton
  from radio_button import RadioButton
  from scrollable_widget import ScrollableWidget
  from tab import Tab
  from table import Table, TableColumn, TableRow, TableCell
  from text_field import TextField
  from tooltip import Tooltip
  from tree import Tree
new_contents: instantiable_widget_class_names = [
  	"Button",
  	"CheckBox",
  	"Image",
  	"Label",
  	"List",
  	"MenuButton",
  	"RadioButton",
  	"Tab",
  	"Table",
  	"TextField",
  	"Tooltip",
  	"Tree"
  ]
  
  from widget import Widget
  from page import Page
  from button import Button
  from check_box import CheckBox
  from image import Image
  from label import Label
  from list import List, ListRow
  from menu import Menu, MenuButton
  from radio_button import RadioButton
  from scrollable_widget import ScrollableWidget
  from tab import Tab
  from table import Table, TableColumn, TableRow, TableCell
  from text_field import TextField
  from tooltip import Tooltip
  from tree import Tree
subject: fix typo in init