File "/home/epinux/.local/lib/python3.9/site-packages/ipywidgets_bokeh/kernel.py", line 67, in send
self._trigger_change(event)
File "/home/epinux/.local/lib/python3.9/site-packages/ipywidgets_bokeh/kernel.py", line 83, in _trigger_change
self.document._trigger_on_change(event)
AttributeError: 'Document' object has no attribute '_trigger_on_change'
@epifanio This likely indicates that the ipywidgets extension package will need some update to be compatible with Bokeh >= 2.4. Please open a GitHub Issue.
Thank you @Philipp_Rudiger , I have been testing the new release - the IPywidgets are now rendering inside a bokeh server app but I can’t manage to link together multiple widgets.
I opened an issue here: lost interaction between ipywidgets when wrapped into bokeh · Issue #39 · bokeh/ipywidgets_bokeh · GitHub
The slider is supposed to update the mapcanvas zoom level, but seem the interaction provided by jslink is lost (the same example code was working using previous release of bokeh+ipywidgets)
from ipywidgets_bokeh import IPyWidget
import ipywidgets as widgets
from bokeh.layouts import row
from bokeh.plotting import curdoc
from ipyleaflet import Map, basemaps
from ipywidgets import jslink
m = Map(center=(46.01, 6.16), zoom=12, basemap=basemaps.Stamen.Terrain)
zoom_slider = widgets.IntSlider(description='Zoom level:', min=0, max=15, value=7)
jslink((zoom_slider, 'value'), (m, 'zoom'))
slider_wrapper = IPyWidget(widget=zoom_slider, width=600, height=400)
map_wrapper = IPyWidget(widget=m, width=600, height=400)
doc = curdoc()
doc.add_root(row(slider_wrapper, map_wrapper))