error with installing package

[hockeyDavid800]

I get the following errors when attempting to install the package
C:\Temp>git clone https://github.com/danielvarela/2D_protein_AI.git
Cloning into '2D_protein_AI'...
remote: Enumerating objects: 180, done.
remote: Counting objects: 100% (6/6), done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 180 (delta 2), reused 0 (delta 0), pack-reused 174 (from 1)
Receiving objects: 100% (180/180), 138.63 KiB | 2.47 MiB/s, done.
Resolving deltas: 100% (72/72), done.
error: invalid path 'gym_lattice/envs/lattice2d.py '
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry with 'git restore --source=HEAD :/'