error to init pmbootstrap

if i type this python3 pmbootstrap.py init i get this:[22:55:43] ERROR: Can't find all programs required to run pmbootstrap. Please install the following: kpartx but i have /usr/bin and /usr/sbin i found a simular issue but is not work on my ubuntu 22.04 LTS edit: i found a solution i should have installed kpartx but after boot pmbootstrap i needed to install on samsung a30 postmarketos i type this:pmbootstrap install --android-recovery-zip --recovery-install-partition=data and i get it:[23:30:51] ERROR: The work path must not be inside the pmbootstrap path. Please specify another location.