I've recently started writing my first Jupyter Lab Extension. I'm using TypeScript cookiecutter with server extension inside Conda environment.
When I create a new notebook and write some Python code to display report, i.e.
import IPython IPython.display.IFrame('./report.html', '100%', 600)
everything works fine.
But when I try to click on this HTML report and see it as a seperate tab inside Jupyter Lab, it keeps saying:
And when I run my widget extension, it says the same thing. That's why I can't move on with my project.
Things that I tried and didn't work:
There are not many articles about this problem and also JupyterLab extensions developing itself - that's why I'm struggling a lot with this issue..