old_contents: # Copyright (c) Jupyter Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from .widget import Widget, CallbackDispatcher, register, widget_serialization, handle_version_comm_opened
  from .domwidget import DOMWidget
  from .valuewidget import ValueWidget
  
  from .trait_types import Color, Datetime
  
  from .widget_core import CoreWidget
  from .widget_bool import Checkbox, ToggleButton, Valid
  from .widget_button import Button, ButtonStyle
  from .widget_box import Box, HBox, VBox
  from .widget_float import FloatText, BoundedFloatText, FloatSlider, FloatProgress, FloatRangeSlider
  from .widget_image import Image
  from .widget_int import IntText, BoundedIntText, IntSlider, IntProgress, IntRangeSlider, Play, SliderStyle
  from .widget_color import ColorPicker
  from .widget_date import DatePicker
  from .widget_output import Output
  from .widget_selection import RadioButtons, ToggleButtons, Dropdown, Select, SelectionSlider, SelectMultiple
  from .widget_selectioncontainer import Tab, Accordion
  from .widget_string import HTML, HTMLMath, Label, Text, Textarea
  from .widget_controller import Controller
  from .interaction import interact, interactive, fixed, interact_manual, interactive_output
  from .widget_link import jslink, jsdlink
  from .widget_layout import Layout
  from .widget_style import Style
  
new_contents: # Copyright (c) Jupyter Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from .widget import Widget, CallbackDispatcher, register, widget_serialization
  from .domwidget import DOMWidget
  from .valuewidget import ValueWidget
  
  from .trait_types import Color, Datetime
  
  from .widget_core import CoreWidget
  from .widget_bool import Checkbox, ToggleButton, Valid
  from .widget_button import Button, ButtonStyle
  from .widget_box import Box, HBox, VBox
  from .widget_float import FloatText, BoundedFloatText, FloatSlider, FloatProgress, FloatRangeSlider
  from .widget_image import Image
  from .widget_int import IntText, BoundedIntText, IntSlider, IntProgress, IntRangeSlider, Play, SliderStyle
  from .widget_color import ColorPicker
  from .widget_date import DatePicker
  from .widget_output import Output
  from .widget_selection import RadioButtons, ToggleButtons, Dropdown, Select, SelectionSlider, SelectMultiple
  from .widget_selectioncontainer import Tab, Accordion
  from .widget_string import HTML, HTMLMath, Label, Text, Textarea
  from .widget_controller import Controller
  from .interaction import interact, interactive, fixed, interact_manual, interactive_output
  from .widget_link import jslink, jsdlink
  from .widget_layout import Layout
  from .widget_style import Style
  
subject: fix import