ipywidgets_server

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There are some new widgets (e.g. FloatLogSlider) that aren't included in the javascript bundled with the last release of ipywidgets_server. Looks like a new release (and maybe bumping the minimum npm version of @jupyter-widgets/controls) will do the trick.

This code snippet will demonstrate the problem; when you try connecting to port 8866 you just get a blank page, and errors in the console about not being able to find FloatLogSliderModel:

# Add a slider to allow adjusting MS distance brightness

from ipywidgets import FloatLogSlider
initial_dist = 10

dist_slider = FloatLogSlider(base=10, min=1, max=4, step=0.01,
                             description='Distance (pc)', value=3,
                             readout_format='d')

Pinging @JuanCab who found the issue.

Good spot! Thanks for the reproducible example.

The dependencies are hard-coded in the package.json.

The dependencies are hard-coded in the package.json.

Yeah; I think doing a new ipywidgets_server release would pick up the latest ipywidgets js.