mac os run isf???

[pullghjunkkk]

/dev/fd/12:18: command not found: compdef
chikkachun@chikdeMBP ~ % git clone https://github.com/dark-lbp/isf/
cd isf
python isf.py
fatal: destination path 'isf' already exists and is not an empty directory.
zsh: command not found: python
chikkachun@chikdeMBP isf % ls
README-ZH.md docs lib
README.md ics.cnvd logs
core isf.gif module
dependencies isf.py requirements.txt
docker isf.xml
chikkachun@chikdeMBP isf % isf.py
zsh: command not found: isf.py
chikkachun@chikdeMBP isf %