removing the body of the install target apparently changes the order of
make target execution (either in dh_auto_install or make itself)
resulting in debian packages that come without any static.
before this fix the first task dh_auto_install did was to call setup.py
via makefilet, when it should’ve executed our own build target that
prepares our assets.
this bug was introduced when the asset version generation was removed
from the install target and it turned into a dependency-only target.