I built from latest commit on debian 10 and ubuntu 20.04 using makepanda but the deb package produced in debian completely lacks python3 libraries, while in the ubuntu's one they are present:
./usr/lib/
./usr/lib/python3/
./usr/lib/python3/dist-packages/
./usr/lib/python3/dist-packages/panda3d/
./usr/lib/python3/dist-packages/panda3d/__init__.py
./usr/lib/python3/dist-packages/panda3d/_rplight.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/ai.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/core.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/direct.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/dtoolconfig.py
./usr/lib/python3/dist-packages/panda3d/egg.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/fx.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/interrogatedb.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/ode.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/physics.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/skel.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d/vision.cpython-38-x86_64-linux-gnu.so
./usr/lib/python3/dist-packages/panda3d.dist-info/
./usr/lib/python3/dist-packages/panda3d.dist-info/METADATA
./usr/lib/python3/dist-packages/panda3d.dist-info/entry_points.txt
./usr/lib/python3/dist-packages/panda3d.pth
