# Widgets is not define in html

**URL:** <https://discourse.jupyter.org/t/widgets-is-not-define-in-html/4312>\
**Category:** nbconvert\
**Tags:** how-to\
**Created:** [May 8, 2020, 11:46am UTC](https://discourse.jupyter.org/t/widgets-is-not-define-in-html/4312 "2020-05-08T11:46:29Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![tnavarrofebre](https://yyz1.discourse-cdn.com/flex031/user_avatar/discourse.jupyter.org/tnavarrofebre/32/2029_2.png) [@tnavarrofebre](https://discourse.jupyter.org/u/tnavarrofebre)\
**Post date:** [May 8, 2020, 11:46am UTC](https://discourse.jupyter.org/t/widgets-is-not-define-in-html/4312/1 "2020-05-08T11:46:29Z")

</div>

Hi, when I turn a notebook to a HTML file with nbconver 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](https://tnavarrofebre.github.io/Fisica/mecanicaclasicai.html)

 ![2020-05-06 (2)](https://canada1.discourse-cdn.com/flex031/uploads/jupyter/original/2X/f/f9be82483dafe00ca35a0c6b338a0bb670173d50.png)