MarsSeed [1] filed a deletion request for ros-melodic-roslz4 [2]: Dead, EOL package from 2022.
Tries to execute a script (fix-python-scripts.sh) from ros-build- tools, which the latter no longer carries. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-melodic-roslz4/
