I noticed there is an outdated python version (Python 2) in the install scripts for debian, octopi, centos and arch. I would suggest updating the python versions or removing the scripts if those install methods are discouraged, and KIAUH is preferred. Especially, because python 2 usage is not recommended anymore.
However, after converting new installations to Python3, the use of Python2 will be considered deprecated. The rough goal is to switch new installations to Python3 around mid-October (20211019).
The outdated install script created issues for some user: Dependence on Python 2.7
While some people might still use python 2 (Mentioned in post discuss-python-versions/20942), I would suggest updating the scripts so the usage of Python 2 decreases.