Code from github clone doesn't search in right local repository and ModuleNotFoundError on MacOS

Question

Very basic question. I am completely new to github and I see that similar questions have been asked but they don't seem to solve my problem.

I have tried downloading the following github repository https://github.com/chrsmrrs/k-gnn (I only want the code working locally on my machine). I used git clone https://github.com/chrsmrrs/k-gnn.git to download the contents of the github repository on locally so I can run some other code for which this package is necessary. I then went through the installation steps of this github repository and ran python setup.py install in the root directory of the git clone I made. When I tried to test the code, I typed in the following in command line as suggested in the github repo:

cd examples
python 1-2-3-proteins.py

However I get the following response from the command line terminal on my mac.

Traceback (most recent call last):
  File "/Users/Tom/Documents/300. MASTERS/MASTERS/THESIS/CODE/k-gnn/examples/1-2-3-proteins.py", line 18, in <module>
    from k_gnn import DataLoader, GraphConv, avg_pool
ModuleNotFoundError: No module named 'k_gnn'

However, as far as I understand my sys.path is not looking for the module k_gnn as I did the following experiment

print(type(sys.path))
i = 1
for path in sys.path:
    print(i)
    print(path)
    i += 1

and got the following response

1
/Users/Tom/Documents/300. MASTERS/MASTERS/THESIS/CODE/k-gnn/examples
2
/usr/local/anaconda3/envs/gnn-test-env/lib/python39.zip
3
/usr/local/anaconda3/envs/gnn-test-env/lib/python3.9
4
/usr/local/anaconda3/envs/gnn-test-env/lib/python3.9/lib-dynload
5
/usr/local/anaconda3/envs/gnn-test-env/lib/python3.9/site-packages

As you can see it does search in /Users/Tom/Documents/300. MASTERS/MASTERS/THESIS/CODE/k-gnn/examples but not in /Users/Tom/Documents/300. MASTERS/MASTERS/THESIS/CODE/k-gnn where k-gnn is located. Is this due to my faulty download of the git repository or is this a fault of the code? If it's the former any help/reading material would be appreciated.

Thanks in advance for the help and let me know if anything is unclear.

KR, Tom