Widgets is not define in html

Hi, when I turn a notebook to a HTML file with nbinteract loaded in a git repo and after initialize widgets occurs an error: 'widgets' is not define, but in my local notebook works. https://tnavarrofebre.github.io/Fisica/mecanicaclasicai.html

[JuanJimenezGarcia]

Hi! I have the same issue with pandas and I can`t find a solution.

I'll try to install the packages trough binder and run it online, then I tell u

[CarolinaRVB]

Have you foun the solution to the pandas issue?