from IPython.html import widgets
from IPython.display import clear_output, display, HTML
mywidget = widgets.FloatSliderWidget()
#display(mywidget)
pop = widgets.Dock([mywidget])
display(pop)
display(mywidget)
:0: FutureWarning: IPython widgets are experimental and may change in the future. WARNING: "FloatSliderWidget" is deprecated, please use "FloatSlider" instead.