Krzysztof G.

Checklist: - [x] I have read and followed the [contribution guidelines](https://contribute.freecodecamp.org). - [x] I have read and followed the [how to open a pull request guide](https://contribute.freecodecamp.org/how-to-open-a-pull-request/). - [x] My pull...

fix(tools): improve video questions validation

5

Checklist: - [x] I have read and followed the [contribution guidelines](https://contribute.freecodecamp.org). - [x] I have read and followed the [how to open a pull request guide](https://contribute.freecodecamp.org/how-to-open-a-pull-request/). - [x] My pull...

MathJax not rendering in Python v9 lab

2

MathJax is not rendering in Python labs: ### Affected pages https://www.freecodecamp.org/learn/python-v9/lab-polygon-area-calculator/build-a-polygon-area-calculator ### Additional context - I don't know if that's the only challenge using MathJax in Python v9. - I...