band unfolding link not working

[luciandf]

the link for the band unfolding example is not working anymore. can someone monitoring this fix it please?

[giovannipizzi]

Can you please mention more specifically in which file, and which link? Thanks!

[giovannipizzi]

I imagine this might be the link? https://www.wanniertools.org/examples/band-unfolding/ @quanshengwu do you know if there is an updated link?