Broken link: tutorial for cell type annotation

[yangjun9095]

Describe the bug
One of the links for "Single-cell RNA-seq and ATAC-seq integration" tutorials, "cell-type annotation" is broken. The specific link is here: https://muon-tutorials.readthedocs.io/en/latest/single-cell-rna-atac/brain3k/2-Celltype-Annotation.ipynb

To Reproduce
Open the link in a web browser (I used Safari).

Expected behaviour
When I clicked the link, it leads to a page with the following error message:
This is a 404 error page. The link you have followed or the URL that you entered does not exist. It might be that the documentation has been updated, or this page has been removed.

Back to the front page of muon-tutorials.readthedocs.io

System

• OS: macOS Big Sur