added metadata to widgets.py
+''' An Example demonstrating the use of multiple widgets. This example uses
+buttons, groups, inputs, panels, sliders, and tables, using the low-level
+``bokeh.models`` API.
+
+.. bokeh-example-metadata::
+ :sampledata: autompg2
+ :apis: bokeh.models.AutocompleteInput, bokeh.models.Button, bokeh.models.CheckboxButtonGroup, bokeh.models.CheckboxGroup, bokeh.models.ColorPicker, bokeh.models.Column, bokeh.models.ColumnDataSource, bokeh.models.DataTable, bokeh.models.DatePicker, bokeh.models.DateRangeSlider, bokeh.models.DateSlider, bokeh.models.Div, bokeh.models.Dropdown, bokeh.models.IntEditor, bokeh.models.MultiChoice, bokeh.models.MultiSelect, bokeh.models.NumberEditor, bokeh.models.NumberFormatter, bokeh.models.Panel, bokeh.models.Paragraph, bokeh.models.PreText, bokeh.models.RadioButtonGroup, bokeh.models.RadioGroup, bokeh.models.RangeSlider, bokeh.models.Row, bokeh.models.Select, bokeh.models.SelectEditor, bokeh.models.Slider, bokeh.models.Spinner, bokeh.models.StringEditor, bokeh.models.StringFormatter, bokeh.models.TableColumn, bokeh.models.Tabs, bokeh.models.TextAreaInput, bokeh.models.TextInput, bokeh.models.Toggle # noqa: E501
+ :refs: :ref:`userguide_plotting` > :ref:`userguide_plotting_scatter_markers`
+ :keywords: widgets, select, button, slider, figure
+
+'''
from datetime import date
from bokeh.document import Document
