Hi, I have this error when I run: pyriod.Signals() Error displaying widget: model not found The other widget works fine. I work with JupiterLab and this installed package: numpy=1.21.4 pandas=1.16 scipy=1.8 astropy=5.0 lightkurve=2.2.0 lmfit=1.0.3 bs4=4.11.1 matplotlib=3.5.2 ipympl=0.9.2 ipywidgets=7.7.2 qgrid=1.3.1 ipyfilechooser=0.6 Also I run the Jupyter notebook extensions before starting Jupyter server. Gianfranco