I suspect that it was aggravated because there is no constrains for python3.9 (which is the default python for Debian Bullseye), and a very new version of setuptools is installed. Ubuntu is not affected, because there is python3.8 and there is constrain on setuptools version for it for python3.9.
I suspect that it was aggravated because there is no constrains for python3.9 (which is the default python for Debian Bullseye), and a very new version of setuptools is installed. Ubuntu is not affected, because there is python3.8 and there is constrain on setuptools version for it for python3.9.